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Journal articles on the topic 'New mineral species'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Belakovskiy, Dmitriy I., and Yulia Uvarova. "New Mineral Names,." American Mineralogist 106, no. 9 (September 1, 2021): 1537–43. http://dx.doi.org/10.2138/am-2021-nmn106921.

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Abstract In this issue This New Mineral Names has entries for 11 new species, including bohuslavite, fanfaniite, ferrierite-NH4, feynmanite, hjalmarite, kenngottite, potassic-richterite, rockbridgeite-group minerals (ferrirockbridgeite and ferrorockbridgeite), rudabányaite, and strontioperloffite.

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2

Nasdala, Lutz, and Igor V. Pekov. "Ravatite, C14H10, a new organic mineral species from Ravat, Tadzhikistan." European Journal of Mineralogy 5, no. 4 (July 22, 1993): 699–706. http://dx.doi.org/10.1127/ejm/5/4/0699.

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3

Belakovskiy, Dmitriy I., Yulia Uvarova, and Fernando Cámara. "New Mineral Names*,†." American Mineralogist 105, no. 12 (December 1, 2020): 1920–25. http://dx.doi.org/10.2138/am-2020-nmn1051227.

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In this issue This New Mineral Names has entries for 13 new species, including falottaite, meieranite and high-pressure minerals found in meteorites, terrestrial impact rocks, and as inclusions in diamonds: hemleyite, hiroseite, ice-VII, kaitianite, maohokite, proxidecagonite, riesite, rubinite, uakitite, wangdaodeite, and zagamiite.

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Belakovskiy, Dmitriy I., and Yulia Uvarova. "New Mineral Names,." American Mineralogist 106, no. 8 (August 1, 2021): 1360–64. http://dx.doi.org/10.2138/am-2021-nmn106818.

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Abstract In this issue This New Mineral Names has entries for 11 new species, including 7 minerals of jahnsite group: jahnsite-(NaMnMg), jahnsite-(NaMnMn), jahnsite-(CaMnZn), jahnsite-(MnMnFe), jahnsite-(MnMnMg), jahnsite-(MnMnZn), and whiteite-(MnMnMg); lasnierite, manganflurlite (with a new data for flurlite), tewite, and wumuite.

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Celestian, Aaron J. "New Mineral Names." American Mineralogist 107, no. 12 (December 1, 2022): 2320–21. http://dx.doi.org/10.2138/am-2022-nmn1071218.

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Abstract This issue of New Mineral Names provides a summary of several new species in the tetrahedrite-group along with examples of how museums are sharing type and cotype specimens. Currently there are approximately 50 sulfosalt mineral species in the tetrahedrite-group that have the general formula M2(A6)M1(B4C2)X3(D4)S1(Y12)S2(Z), with A = Cu+, Ag+, ☐; B = Cu+, Ag+; C = Zn2+, Fe2+, Hg2+, Cd2+, Mn2+, Ni2+, Cu2+, Cu+, Fe3+; D = Sb3+, As3+, Bi3+, Te4+; Y = S2–, Se2–; Z = S2–, Se2–, ☐. All members if the tetrahedrite-group are isometric and have potential applications high efficiency thermoelectric materials. Some the type specimens of tetrahedrite, and others in this review, are shared between museums. Having newly described minerals housed at multiple museums provides easier access to specimens for researchers around the world and serves to preserve these minerals in case of loss at any one the institutions. Here we look at the descriptions of stibiogoldfieldite, graulichite-(La), tennantite-(Cu), wildcatite, ellinaite, paqueite, burnettite, saccoite, and gurzhiite.

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Belakovskiy, Dmitriy I., and Yulia Uvarova. "New Mineral Names,." American Mineralogist 106, no. 7 (July 1, 2021): 1186–91. http://dx.doi.org/10.2138/am-2021-nmn106714.

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Abstract In this issue This New Mineral Names has entries for 10 new species, including huenite, laverovite, pandoraite-Ba, pandoraite-Ca, and six new species of pyrochlore supergroup: cesiokenomicrolite, hydrokenopyrochlore, hydroxyplumbopyrochlore, kenoplumbomicrolite, oxybismutomicrolite, and oxycalciomicrolite.

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7

Atencio, Daniel. "The discovery of new mineral species and type minerals from Brazil." Brazilian Journal of Geology 45, no. 1 (March 2015): 143–58. http://dx.doi.org/10.1590/23174889201500010011.

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Minerals were seen merely as sources of chemicals: iron ore, copper ore, etc. However, minerals are not just chemicals associations, since they display crystal structures. These two features together provide properties that can be technologically useful. Even though a mineral occurs in very small amount, which does not allow its extraction, it can serve as a model for obtaining the synthetic analogue on an industrial scale. It is necessary that a new-mineral proposal be submitted for approval by the Commission on New Minerals, Nomenclature and Classification (CNMNC) of the International Mineralogical Association (IMA) before publication. Only 65 valid mineral species were first described from Brazil, that is, the type minerals from Brazil. Nineteen of these were published between 1789 and 1959 (0.11 per year). From 1959, when the CNMMN (today CNMNC) - IMA was established, to 2000, 18 approved Brazilian mineral species remain valid (0.43 per year). However, the number of type minerals from Brazil approved in the last 15 years (2000 to 2014) was substantially increased: 28 (1.87 per year). This number is very small considering the wide range of Brazilian geological environments. The two first type species from Brazil, discovered in the 18th century, chrysoberyl and euclase, are important gemological minerals. Two other gem minerals, tourmaline-supergroup members, were published only in the 21st century: uvite and fluor-elbaite. Some type minerals from Brazil are very important technologically speaking. Some examples are menezesite, coutinhoite, lindbergite, pauloabibite, and waimirite-(Y).

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8

Walter, Franz. "Weinebeneite, CaBe3(PO4)2(OH)2 ∙ 4H2O, a new mineral species: mineral data and crystal structure." European Journal of Mineralogy 4, no. 6 (December 15, 1992): 1275–84. http://dx.doi.org/10.1127/ejm/4/6/1275.

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9

Topa, Dan, Emil Makovicky, Alan J. Criddle, Werner H. Paar, and Tonči Balič-unić. "Felbertalite, Cu2Pb6Bi8S19, a new mineral species from Felbertal, Salzburg Province, Austria." European Journal of Mineralogy 13, no. 5 (September 27, 2001): 961–72. http://dx.doi.org/10.1127/0935-1221/2001/0013/0961.

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10

Stanley, Christopher J., Gary C. Jones, Michael S. Rumsey, Christopher Blake, Andrew C. Roberts, John A. R. Stirling, Graham J. C. Carpenter, Pamela S. Whitfield, Joel D. Grice, and Yvon Lepage. "Jadarite, LiNaSiB3O7(OH), a new mineral species from the Jadar Basin, Serbia." European Journal of Mineralogy 19, no. 4 (September 13, 2007): 575–80. http://dx.doi.org/10.1127/0935-1221/2007/0019-1741.

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11

Belakovskiy, Dmitriy I., Fernando Cámara, and Yulia Uvarova. "New Mineral Names*,†." American Mineralogist 106, no. 1 (January 1, 2021): 157–64. http://dx.doi.org/10.2138/am-2021-nmn106131.

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In this issue This New Mineral Names has entries for 14 new species, including amamoorite, ammoniomathesiusite, aravaite, arsenowagnerite, fluorarrojadite-(BaNa), fluorcarmoite-(BaNa), folvikite, gadolinite-(Nd), goryainovite, kruijenite, natrowalentaite, nollmotzite, qatranaite, and triazolite.

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12

Mills, Stuart J., and Andrew G. Christy. "Mineral extinction." Mineralogical Magazine 83, no. 5 (September 20, 2019): 621–25. http://dx.doi.org/10.1180/mgm.2019.60.

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Abstract‘Mineral evolution’ has attracted much attention in the last decade as a counterpart of the long-established biological concept, but is there a corresponding ‘mineral extinction’? We present new geochronological data from uranium-bearing secondary minerals and show that they are relatively recent, irrespective of the age of their primary uranium sources. The secondary species that make up much of the diversity of minerals appear to be ephemeral, and many may have vanished from the geological record without trace. Nevertheless, an ‘extinct’ mineral species can recur when physiochemical conditions are appropriate. This reversibility of ‘extinction’ highlights the limitations of the ‘evolution’ analogy. Mineral occurrence may be time-dependent but does not show the unique contingency between precursor and successor species that is characteristic of biological evolution.

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Bindi, Luca, and Werner H. Paar. "Jaszczakite, [(Bi, Pb)3 S3][AuS2], a new mineral species from Nagybörzsöny, Hungary." European Journal of Mineralogy 29, no. 4 (October 10, 2017): 673–77. http://dx.doi.org/10.1127/ejm/2017/0029-2620.

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14

Shablinskii, Andrey P., Stanislav K. Filatov, Lidiya P. Vergasova, Eugeniya YU Avdontseva, Svetlana V. Moskaleva, and Aleksey V. Povolotskiy. "Ozerovaite, Na2KAl3(AsO4)4, new mineral species from Tolbachik volcano, Kamchatka peninsula, Russia." European Journal of Mineralogy 31, no. 1 (February 21, 2019): 159–66. http://dx.doi.org/10.1127/ejm/2019/0031-2808.

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15

Li, Guowu, Wenji Bai, Nicheng Shi, Qinsong Fang, Ming Xiong, Jingsui Yang, Zhesheng Ma, and He Rong. "Linzhiite, FeSi2, a redefined and revalidated new mineral species from Luobusha, Tibet, China." European Journal of Mineralogy 24, no. 6 (November 16, 2012): 1047–52. http://dx.doi.org/10.1127/0935-1221/2012/0024-2237.

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16

Hatert, Frédéric, Stuart J. Mills, Frank C. Hawthorne, and Mike S. Rumsey. "A comment on “An evolutionary system of mineralogy: Proposal for a classification of planetary materials based on natural kind clustering”." American Mineralogist 106, no. 1 (January 1, 2021): 150–53. http://dx.doi.org/10.2138/am-2021-7590.

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Abstract The classification and nomenclature of mineral species is regulated by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association (IMACNMNC). This mineral species classification is necessary for Earth Sciences, as minerals constitute most planetary and interstellar materials. Hazen (2019) has proposed a classification of minerals and other Earth and planetary materials according to “natural clustering.” Although this classification is complementary to the IMA-CNMNC mineral classification and is described as such, there are some unjustified criticisms and factual errors in the comparison of the two schemes. It is the intent of the present comment to (1) clarify the use of classification schemes for Earth and planetary materials, and (2) counter erroneous criticisms or statements about the current IMA-CNMNC system of approving proposals for new mineral species and classifications.

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Pekov, Igor V., Natalia V. Zubkova, Atali A. Agakhanov, Vasiliy O. Yapaskurt, Nikita V. Chukanov, Dmitry I. Belakovskiy, Evgeny G. Sidorov, and Dmitry Y. Pushcharovsky. "Dravertite, CuMg(SO4)2, a new mineral species from the Tolbachik volcano, Kamchatka, Russia." European Journal of Mineralogy 29, no. 2 (May 29, 2017): 323–30. http://dx.doi.org/10.1127/ejm/2017/0029-2596.

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18

Witzke, Thomas, Uwe Kolitsch, and Jens M. Göske Warnsloh. "Wakefieldite-(La), LaVO4 , a new mineral species from the Glucksstern Mine, Friedrichroda, Thuringia, Germany." European Journal of Mineralogy 20, no. 6 (December 15, 2008): 1135–39. http://dx.doi.org/10.1127/0935-1221/2009/0021-1875.

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19

Larsen, Alf Olav, Uwe Kolitsch, Robert A. Gault, and Gerald Giester. "Eirikite, a new mineral species of the leifite group from the Langesundsfjord district, Norway." European Journal of Mineralogy 22, no. 6 (December 23, 2010): 875–80. http://dx.doi.org/10.1127/0935-1221/2010/0022-2068.

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20

Ferraris, Cristiano, Gian Carlo Parodi, Sylvain Pont, Benjamin Rondeau, and Jean-Pierre Lorand. "Trinepheline and fabriesite: two new mineral species from the jadeite deposit of Tawmaw (Myanmar)." European Journal of Mineralogy 26, no. 2 (April 11, 2014): 257–65. http://dx.doi.org/10.1127/0935-1221/2014/0026-2348.

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21

YANG, Guangming, Guowu LI, Ming XIONG, Baoming PAN, and Chenjie YAN. "Hydroxycalciopyrochlore, A New Mineral Species from Sichuan, China." Acta Geologica Sinica - English Edition 88, no. 3 (June 2014): 748–53. http://dx.doi.org/10.1111/1755-6724.12235.

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22

Pavlyshyn, V. I., D. S. Chernysh, H. O. Kulchytska, and O. I. Matkovskyi. "SOME REGULARITIES OF THE INTERRELATION OF THE GENESIS AND MINERALS DISTRIBUTION IN THE BOWELS." Mineralogical Journal 44, no. 4 (2022): 22–34. http://dx.doi.org/10.15407/mineraljournal.44.04.022.

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Some regularities of the interrelation of the genesis and minerals distribution in the bowels based on the analysis of information on the temporal and spatial distribution of minerals in geological complexes, primarily in Ukraine, were revealed. The distribution of minerals in magmatic complexes, pegmatites, hydrothermalites and metamorphites was studied. The relationship between tectonics and the distribution of minerals is noted. There is a clear direction of the geological development of the earth's crust: the pacification of tectonic processes — the growth of platforms — the differentiation of mineral matter. The number of formed mineral species increased rapidly from Archean to Phanerozoic complexes, from "basaltic" to "crustal" mineral formation, from ultrabasic rocks to acid ones. The Pre-Greenstone crust of Ukrainian Shield (USh) is predominantly represented by plagioclases and pyroxenes; with the development of granitoids, quartz and alkali feldspars joined them. From early to late stages of USh development, the number of species increased by an order of magnitude. Near-Azov megablock is in the first place. Maximum species formation is associated with alkaline magmatism and processes involving volatile components, in particular pegmatite formation. The number of minerals in pegmatites reaches hundreds of species. Mountain building led to the destruction of igneous rocks and the formation of new minerals. The appearance of free oxygen became a powerful factor in mineral formation. Superimposed processes with the supplying of deep fluids contributed to the transformation and redistribution of minerals and the formation of polygenic ores. The distribution of minerals makes it possible to detect typomorphic species for certain processes, which can be used to determine the criteria of mineralization, its scale, and the erosion section of ore bodies. The distribution of various mineral species, and the same species with identified macro- and microdefects, as a result of the conditions of mineral formation, is of practical importance.

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23

Biagioni, Cristian, Stefano Merlino, and Elena Bonaccorsi. "The tobermorite supergroup: a new nomenclature." Mineralogical Magazine 79, no. 2 (April 2015): 485–95. http://dx.doi.org/10.1180/minmag.2015.079.2.22.

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AbstractThe name 'tobermorites' includes a number of calcium silicate hydrate (C-S-H) phases differing in their hydration state and sub-cell symmetry. Based on their basal spacing, closely related to the degree of hydration, 14, 11 and 9 Å compounds have been described. In this paper a new nomenclature scheme for these mineral species is reported. The tobermorite supergroup is defined. It is formed by the tobermorite group and the unclassified minerals plombièrite, clinotobermorite and riversideite. Plombièrite ('14 Å tobermorite') is redefined as a crystalline mineral having chemical composition Ca5Si6O16(OH)2·7H2O. Its type locality is Crestmore, Riverside County, California, USA. The tobermorite group consists of species having a basal spacing of ∼11 Å and an orthorhombic sub-cell symmetry. Its general formula is Ca4+x(AlySi6–y)O15+2x–y·5H2O. Its endmember compositions correspond to tobermorite Ca5Si6O17·5H2O (x = 1 and y = 0) and the new species kenotobermorite, Ca4Si6O15(OH)2·5H2O (x = 0 and y = 0). The type locality of kenotobermorite is the N'Chwaning II mine, Kalahari Manganese Field, South Africa. Within the tobermorite group, tobermorite and kenotobermorite form a complete solid solution. Al-rich samples do not warrant a new name, because Al can only achieve a maximum content of 1/6 of the tetrahedral sites (y = 1). Clinotobermorite, Ca5Si6O17·5H2O, is a dimorph of tobermorite having a monoclinic sub-cell symmetry. Finally, the compound with a ∼9 Å basal spacing is known as riversideite. Its natural occurrence is not demonstrated unequivocally and its status should be considered as “questionable”. The chemical composition of its synthetic counterpart, obtained through partial dehydration of tobermorite, is Ca5Si6O16(OH)2. All these mineral species present an order-disorder character and several polytypes are known. This report has been approved by the International Mineralogical Association Commission on New Minerals, Nomenclature and Classification.

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Zelenski, Michael E., Natalia V. Zubkova, Igor V. Pekov, Maya M. Boldyreva, Dmitry Yu. Pushcharovsky, and Aleksey N. Nekrasov. "Pseudolyonsite, Cu3(VO4)2, a new mineral species from the Tolbachik volcano, Kamchatka Peninsula, Russia." European Journal of Mineralogy 23, no. 3 (July 13, 2011): 475–81. http://dx.doi.org/10.1127/0935-1221/2011/0023-2101.

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25

Parafiniuk, Jan, and Frédéric Hatert. "New IMA CNMNC guidelines on combustion products from burning coal dumps." European Journal of Mineralogy 32, no. 1 (February 19, 2020): 215–17. http://dx.doi.org/10.5194/ejm-32-215-2020.

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Abstract. New IMA CNMNC guidelines were established for minerals crystallizing on burning coal dumps. These phases are now acceptable as minerals, if it can be proven that the fire responsible for the formation of these phases is the result of natural events. In that case, these substances have to be treated as normal new mineral species, and their complete characterization has to be submitted to the CNMNC via the new mineral proposal form. The authors are specifically asked, however, to give strong arguments in the proposal clearly demonstrating the non-anthropogenic origin of the burning process.

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Jambor, J. L., A. C. Roberts, L. A. Groat, C. J. Stanley, A. J. Criddle, and M. N. Feinglos. "CALVERTITE, Cu5Ge0.5S4, A NEW MINERAL SPECIES FROM TSUMEB, NAMIBIA." Canadian Mineralogist 45, no. 6 (December 1, 2007): 1519–23. http://dx.doi.org/10.3749/canmin.45.6.1519.

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27

Andrade, Marcelo, Javier Ellena, and Daniel Atencio. "Crystallochemical aspects of two microlite-group new mineral species." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C1095. http://dx.doi.org/10.1107/s2053273314089049.

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Fluorcalciomicrolite, Ca1.5Ta2O6F, and hydroxycalciomicrolite, Ca1.5Ta2O6(OH), are new microlite-group [1] minerals found in the Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. Both occur as octahedral and rhombododecahedral crystals. The crystals are colourless, yellow and translucent, with vitreous to resinous luster. The densities calculated for fluorcalciomicrolite [2] and hydroxycalciomicrolite are 6.160 and 6.176 g/cm3, respectively. The empirical formulae obtained from electron microprobe analysis are (Ca1.07Na0.81□0.12)Σ2(Ta1.84Nb0.14Sn0.02)Σ2[O5.93(OH)0.07]Σ6.00[F0.79(OH)0.21] for fluorcalciomicrolite and (Ca1.48Na0.06Mn0.01)Σ1.55(Ta1.88Nb0.11Sn0.01)Σ2O6[(OH)0.76F0.20O0.04] for hydroxycalmicrolite. Fluorcalciomicrolite is cubic, space group Fd-3m, a = 10.4191(6) Å, V = 1131.07(11) Å3, and Z = 8. Hydroxycalciomicrolite is also cubic; however, the presence of P-lattice is confirmed by the large number of weak reflections observed by X-ray diffraction. As a result, the space group is P4332 and unit-cell parameters are a = 10.4211(8) Å, and V = 1131.72(15) Å3.

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28

Zadov, A. E., V. M. Gazeev, N. N. Pertsev, A. G. Gurbanov, E. R. Gobechiya, N. A. Yamnova, and N. V. Chukanov. "Calcioolivine, γ-Ca2SiO4, an old and New Mineral species." Geology of Ore Deposits 51, no. 8 (December 2009): 741–49. http://dx.doi.org/10.1134/s1075701509080066.

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29

Mikhailova, Julia A., Dmitry G. Stepenshchikov, Andrey O. Kalashnikov, and Sergey M. Aksenov. "Who Is Who in the Eudialyte Group: A New Algorithm for the Express Allocation of a Mineral Name Based on the Chemical Composition." Minerals 12, no. 2 (February 9, 2022): 224. http://dx.doi.org/10.3390/min12020224.

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Eudialyte-group minerals (EGMs) are Na-Ca zirconosilicates typical for peralkaline plutonic rocks. In the zeolite-like crystal structure of these minerals, there are many sites of different volumes and configurations, and therefore EGMs can include up to one-third of the periodic table. Although there are preferred sites for many elements in the crystal structure of eudialyte-group minerals, the same element can appear in several sites. In addition, many sites may be partially or fully vacant. Currently, 30 mineral species are established in the eudialyte group. However, this diversity is, in fact, limited to holotype specimens. To name any mineral from the eudialyte group, you need to solve its crystal structure and compare it with holotypes. Meanwhile, the composition (and, therefore, the name) of any mineral of the eudialyte group is an excellent indicator of the composition of the mineral-forming media, which is very important to petrological and mineralogical studies. In this article, we propose a diagnostic scheme for minerals of the eudialyte group, based only on the chemical composition. The scheme includes five consecutive steps, each of which evaluates the content of a species-forming element (or the sum of such elements). This scheme can be supplemented by new members without changing its hierarchical structure.

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30

Miyawaki, Ritsuro, Frédéric Hatert, Marco Pasero, and Stuart J. Mills. "IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 62." European Journal of Mineralogy 33, no. 4 (August 17, 2021): 479–84. http://dx.doi.org/10.5194/ejm-33-479-2021.

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Abstract. The information given here is provided by the IMA Commission on New Minerals, Nomenclature and Classification for comparative purposes and as a service to mineralogists working on new species. Each mineral is described in the following format: mineral name, if the authors agree on its release prior to the full description appearing in press; chemical formula; type locality; full authorship of proposal; e-mail address of the corresponding author; relationship with other minerals; crystal system, space group, structure determined, yes or no; unit-cell parameters; strongest lines in the X-ray powder diffraction pattern; type specimen repository and specimen number; citation details for the mineral prior to publication of the full description. Citation details concern the fact that this information will be published in the European Journal of Mineralogy on a routine basis as well as being added month by month to the commission's website. It is still a requirement for the authors to publish a full description of the new mineral. No other information will be released by the commission.

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31

Holtstam, Dan, Luca Bindi, Ulf Hålenius, Uwe Kolitsch, and Joakim Mansfeld. "Ulfanderssonite-(Ce), a new Cl-bearing REE silicate mineral species from the Malmkärra mine, Norberg, Sweden." European Journal of Mineralogy 29, no. 6 (December 1, 2017): 1015–26. http://dx.doi.org/10.1127/ejm/2017/0029-2670.

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32

Perchiazzi, Natale, Ulf Hålenius, Nicola Demitri, and Pietro Vignola. "Heliophyllite: a discredited mineral species identical to ecdemite." European Journal of Mineralogy 32, no. 2 (April 2, 2020): 265–73. http://dx.doi.org/10.5194/ejm-32-265-2020.

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Abstract. The type material for heliophyllite, preserved in the Swedish Museum of Natural History in Stockholm, was re-investigated through a combined EPMA (electron probe X-ray microanalysis), Raman, and X-ray powder diffraction (XRPD) and single-crystal study. EPMA chemical data, together with Raman and single-crystal structural studies, point to heliophyllite being identical to ecdemite. XRPD synchrotron data highlight the presence of a minor quantity of finely admixed finnemanite in the analyzed material, explaining the presence of some additional diffraction peaks, not indexable with the ecdemite unit cell, reported in the literature. The discreditation of heliophyllite has been approved by the IMA Commission on New Minerals and Mineral Names (proposal 19-H, 2019).

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33

Makvandi, Sheida, Philippe Pagé, Jonathan Tremblay, and Réjean Girard. "Exploration for Platinum-Group Minerals in Till: A New Approach to the Recovery, Counting, Mineral Identification and Chemical Characterization." Minerals 11, no. 3 (March 4, 2021): 264. http://dx.doi.org/10.3390/min11030264.

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The discovery of new mineral deposits contributes to the sustainable mineral industrial development, which is essential to satisfy global resource demands. The exploration for new mineral resources is challenging in Canada since its vast lands are mostly covered by a thick layer of Quaternary sediments that obscure bedrock geology. In the course of the recent decades, indicator minerals recovered from till heavy mineral concentrates have been effectively used to prospect for a broad range of mineral deposits including diamond, gold, and base metals. However, these methods traditionally focus on (visual) investigation of the 0.25–2.0 mm grain-size fraction of unconsolidated sediments, whilst our observations emphasize on higher abundance, or sometimes unique occurrence of precious metal (Au, Ag, and platinum-group elements) minerals in the finer-grained fractions (<0.25 mm). This study aims to present the advantages of applying a mineral detection routine initially developed for gold grains counting and characterization, to platinum-group minerals in <50 µm till heavy mineral concentrates. This technique, which uses an automated scanning electron microscopy (SEM) equipped with an energy dispersive spectrometer, can provide quantitative mineralogical and semi-quantitative chemical data of heavy minerals of interest, simultaneously. This work presents the mineralogical and chemical characteristics, the grain size distribution, and the surface textures of 2664 discrete platinum-group mineral grains recovered from the processing of 5194 glacial sediment samples collected from different zones in the Canadian Shield (mostly Quebec and Ontario provinces). Fifty-eight different platinum-group mineral species have been identified to date, among which sperrylite (PtAs2) is by far the most abundant (n = 1488; 55.86%). Textural and mineral-chemical data suggest that detrital platinum-group minerals in the studied samples have been derived, at least in part, from Au-rich ore systems.

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Polat, Sevim, and Abdurrahman Polat. "Mineral content of macroalgae and possible uses for human health." Food and Health 8, no. 2 (2022): 150–60. http://dx.doi.org/10.3153/fh22015.

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Seaweeds have been used since ancient times as food, food additives, fertilizer, and a source of medicine. Like terrestrial plants, seaweeds contain many inorganic and organic substances which can beneficial to human health. Seaweeds have great potential as “bioactive compounds for functional use, “algae mineral supplements”, “pharmaceuticals and cosmetics” and in addition to their potential of good sources of minerals, trace elements, proteins, lipids, and carbohydrates as traditional food. Due to the mineral absorption ability of macroalgae from the seawater, many species are a perfect source of some trace elements such as iron and iodine and a good source of some macro minerals such as calcium, phosphate, and magnesium. In some cases, the mineral content of the seaweeds may be higher than that of land plants. Scientific data show that the bioavailability of algae minerals is higher than rock-based minerals for humans. In recent years, the potential use of seaweed minerals as “algae mineral supplements” gained attention due to their rich elemental composition and the importance of minerals for human health. Mineral composition of seaweeds may vary according to locality, season, residence time, species physiology, and environmental conditions such as level of elements in seawater, light intensity, and salinity. Thus, new approaches and researches are needed on how much seaweeds can be consumed daily and their potential health risks. In this study, the mineral contents of seaweeds, the importance of minerals for human health, and potential uses of algae minerals were investigated.

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Roth, Philippe, Nicolas Meisser, Fabrizio Nestola, Radek Škoda, Fernando Cámara, Ferdinando Bosi, Marco E. Ciriotti, Ulf Hålenius, Cédric Schnyder, and Roberto Bracco. "Rüdlingerite, Mn2+2V5+As5+O7·2H2O, a New Species Isostructural with Fianelite." Minerals 10, no. 11 (October 27, 2020): 960. http://dx.doi.org/10.3390/min10110960.

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The new mineral species rüdlingerite, ideally Mn2+2V5+As5+O7·2H2O, occurs in the Fianel mine, in Val Ferrera, Grisons, Switzerland, a small Alpine metamorphic Mn deposit. It is associated with ansermetite and Fe oxyhydroxide in thin fractures in Triassic dolomitic marbles. Rüdlingerite was also found in specimens recovered from the dump of the Valletta mine, Canosio, Cuneo, Piedmont, Italy, where it occurs together with massive braccoite and several other As- and V-rich phases in richly mineralized veins crossing the quartz-hematite ore. The new mineral displays at both localities yellow to orange, flattened elongated prismatic, euhedral crystals measuring up to 300 μm in length. Electron-microprobe analysis of rüdlingerite from Fianel gave (in wt%): MnO 36.84, FeO 0.06, As2O5, 25.32, V2O5 28.05, SiO2 0.13, H2Ocalc 9.51, total 99.91. On the basis of 9 O anions per formula unit, the chemical formula of rüdlingerite is Mn1.97(V5+1.17 As0.83Si0.01)Σ2.01O7·2H2O. The main diffraction lines are [dobs in Å (Iobs) hkl]: 3.048 (100) 022, 5.34 (80) 120, 2.730 (60) 231, 2.206 (60) 16-1, 7.28 (50) 020, 2.344 (50) 250, 6.88 (40) 110, and 2.452 (40) 320. Study of the crystal structure showcases a monoclinic unit cell, space group P21/n, with a = 7.8289(2) Å, b = 14.5673(4) Å, c = 6.7011(2) Å, β = 93.773(2)°, V = 762.58(4) Å3, Z = 4. The crystal structure has been solved and refined to R1 = 0.041 on the basis of 3784 reflections with Fo > 4σ(F). It shows Mn2+ hosted in chains of octahedra that are subparallel to [-101] and bound together by pairs of tetrahedra hosted by V5+ and As5+, building up a framework. Additional linkage is provided by hydrogen-bonding through H2O coordinating Mn2+ at the octahedra. One tetrahedrally coordinated site is dominated by V5+, T(1)(V0.88As0.12), corresponding to an observed site scattering of 24.20 electrons per site (eps), whereas the second site is strongly dominated by As5+,T(2)(As0.74V0.26), with, accordingly, a higher observed site scattering of 30.40 eps. The new mineral has been approved by the IMA-CNMNC and named for Gottfried Rüdlinger (born 1919), a pioneer in the 1960–1980s, in the search and study of the small minerals from the Alpine manganese mineral deposits of Grisons.

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Liu, Peigang, Zhelin Wang, and Zhiqiang Zhang. "A New Quantitative Approach for Element-Mineral Determination Based on “EDS (Energy Dispersive Spectroscopy) Method”." Geofluids 2021 (August 27, 2021): 1–15. http://dx.doi.org/10.1155/2021/4023704.

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With the continuous development of hydrocarbon exploration, how to efficiently, economically, accurately, and comprehensively obtain mineral species, composition, and structure and diagenesis information has become one of the hot topics in both the academia and industry. By scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS), a new method of qualitative mineral identification and quantitative measurement is established. Typical tight sandstone reservoir rock samples in the Ordos Basin are selected; through the element surface scanning image of “mineral element composition” and “pixel element combination”, mineral types are distinguished, and mineral parameters such as types, characteristics, and content are rapidly and accurately determined. Meanwhile, such results achieved via the new method are compared with conventional XRD and TIMA methods. The results show that the new method exhibits several advantages: cost advantages compared to XRD experiment analysis technology and TIMA system and ability to analyze low content minerals which XRD techniques are hard to identify; it allows quantitative characterization on the phenomenon of mineral miscibility, which is of great significance to explore the mineral diagenetic evolution.

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37

Bonazzi, Paola, and Luca Bindi. "Structural and chemical characterization of dienerite, Ni3As, and its revalidation as a mineral species." Canadian Mineralogist 59, no. 6 (November 1, 2021): 1887–98. http://dx.doi.org/10.3749/canmin.2100012.

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ABSTRACT Dienerite, ideally Ni3As, was discovered in 1919 near Radstadt (Salzburg, Austria) and its description and chemical characterization date back to the 1920s. The paucity of reliable experimental data, as well as the absence of any other documented occurrences of such a mineral in over 80 years, led to the supposition of a typographic error in the transcription of the original chemical analysis, suggesting the mineral might in fact be nickelskutterudite [(Ni,Co,Fe)As3]. As a consequence, the mineral was discredited and deleted in the post-2006 IMA list of valid mineral species. Nonetheless, several minerals having a metal/As ratio close to 3:1 and a description fitting that of dienerite were reported after its discreditation. Here we report the discovery of minute inclusions in a sample of josephinite from Josephine Creek (Oregon, USA) exhibiting high optical and electron reflectance. Structural and chemical investigations unequivocally showed that a mineral having cubic structure [a = 9.6206(9) Å, sp. gr. I3d; R1 = 0.0353] and ideal chemical formula Ni3As does exist, suggesting that dienerite could in fact be a valid species. The proposal to revalidate dienerite has been approved by the Commission on New Minerals, Nomenclature and Classification (IMA-Proposal 19-E). The neotype is deposited in the mineralogical collections of the Natural History Museum, University of Florence, Italy, under catalogue number 3364/I.

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38

Mikhlin, Yuri. "X-ray Photoelectron Spectroscopy in Mineral Processing Studies." Applied Sciences 10, no. 15 (July 26, 2020): 5138. http://dx.doi.org/10.3390/app10155138.

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Surface phenomena play the crucial role in the behavior of sulfide minerals in mineral processing of base and precious metal ores, including flotation, leaching, and environmental concerns. X-ray photoelectron spectroscopy (XPS) is the main experimental technique for surface characterization at present. However, there exist a number of problems related with complex composition of natural mineral systems, and instability of surface species and mineral/aqueous phase interfaces in the spectrometer vacuum. This overview describes contemporary XPS methods in terms of categorization and quantitative analysis of oxidation products, adsorbates and non-stoichiometric layers of sulfide phases, depth and lateral spatial resolution for minerals and ores under conditions related to mineral processing and hydrometallurgy. Specific practices allowing to preserve volatile species, e.g., elemental sulfur, polysulfide anions and flotation collectors, as well as solid/liquid interfaces are surveyed; in particular, the prospects of ambient pressure XPS and cryo-XPS of fast-frozen wet mineral pastes are discussed. It is also emphasized that further insights into the surface characteristics of individual minerals in technological slurries need new protocols of sample preparation in conjunction with high spatial resolution photoelectron spectroscopy that is still unavailable or unutilized in practice.

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Siidra, Oleg I., Erik Jonsson, Nikita V. Chukanov, Diana O. Nekrasova, Igor V. Pekov, Wulf Depmeier, Yury S. Polekhovsky, and Vasiliy O. Yapaskurt. "Grootfonteinite, Pb3O(CO3)2, a new mineral species from the Kombat Mine, Namibia, merotypically related to hydrocerussite." European Journal of Mineralogy 30, no. 2 (August 20, 2018): 383–91. http://dx.doi.org/10.1127/ejm/2018/0030-2723.

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40

Raade, Gunnar, Nikita V. Chukanov, Uwe Kolitsch, Steffen Möckel, Aleksandr E. Zadov, and Igor V. Pekov. "Gjerdingenite-Mn from Norway a new mineral species in the labuntsovite group: descriptive data and crystal structure." European Journal of Mineralogy 16, no. 6 (December 28, 2004): 979–87. http://dx.doi.org/10.1127/0935-1221/2004/0016-0979.

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41

Galuskina, I. O., E. V. Galuskin, P. Dzierzanowski, V. M. Gazeev, K. Prusik, N. N. Pertsev, A. Winiarski, A. E. Zadov, and R. Wrzalik. "Toturite Ca3Sn2Fe2SiO12--A new mineral species of the garnet group." American Mineralogist 95, no. 8-9 (August 1, 2010): 1305–11. http://dx.doi.org/10.2138/am.2010.3421.

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42

Ilinca, G., E. Makovicky, D. Topa, and G. Zagler. "CUPRONEYITE, Cu7Pb27Bi25S68, A NEW MINERAL SPECIES FROM BAITA BIHOR, ROMANIA." Canadian Mineralogist 50, no. 2 (April 1, 2012): 353–70. http://dx.doi.org/10.3749/canmin.50.2.353.

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43

Gault, R. A., T. S. Ercit, J. D. Grice, and J. Van Velthuizen. "MANGANOKUKISVUMITE, A NEW MINERAL SPECIES FROM MONT SAINT-HILAIRE, QUEBEC." Canadian Mineralogist 42, no. 3 (June 1, 2004): 781–85. http://dx.doi.org/10.2113/gscanmin.42.3.781.

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44

Qingsong, FANG, BAI Wenji, YANG Jingsu, RONG He, SHI Nicheng, LI Guowu, XIONG Ming, and MA Zhesheng. "Titanium, Ti, A New Mineral Species from Luobusha, Tibet, China." Acta Geologica Sinica - English Edition 87, no. 5 (October 2013): 1275–80. http://dx.doi.org/10.1111/1755-6724.12128.

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45

Chukanov, Nikita V., Sergey N. Britvin, Gerhard Möhn, Igor V. Pekov, Natalia V. Zubkova, Fabrizio Nestola, Anatoly V. Kasatkin, and Maurizio Dini. "Shilovite, natural copper(II) tetrammine nitrate, a new mineral species." Mineralogical Magazine 79, no. 3 (June 2015): 613–23. http://dx.doi.org/10.1180/minmag.2015.079.3.07.

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AbstractThe new mineral shilovite, the first natural tetrammine copper complex, was found in a guano deposit located on the Pabellón de Pica Mountain, near Chanabaya, Iquique Province, Tarapacá Region, Chile. It is associated with halite, ammineite, atacamite (a product of ammineite alteration) and thénardite. The gabbro host rock consists of amphibole, plagioclase and minor clinochlore, and contains accessory chalcopyrite. The latter is considered the source of Cu for shilovite. The new mineral occurs as deep violet blue, imperfect, thick tabular to equant crystals up to 0.15 mm in size included in massive halite. The mineral is sectile. Its Mohs hardness is 2. Dcalc is 1.92 g cm–3. The infrared spectrum shows the presence of NH3 molecules and NO3– anions. Shilovite is optically biaxial (+), α = 1.527(2), β = 1.545(5), γ = 1.610(2). The chemical composition (electron-microprobe data, H calculated from ideal formula, wt.%) is Cu 26.04, Fe 0.31, N 30.8, O 35.95, H 4.74, total 100.69. The empirical formula is H12.56(Cu1.09Fe0.01)N5.87O6.00. The idealized formula is Cu(NH3)4(NO3)2. The crystal structure was solved and refined to R = 0.029 based upon 2705 unique reflections having F > 4σ(F). Shilovite is orthorhombic, space group Pnn2, a = 23.6585(9), b = 10.8238(4), c = 6.9054(3) Å, V = 1768.3(1) Å3, Z = 8. The strongest reflections of the powder X-ray diffraction pattern [d, Å (I,%) (hkl)] are: 5.931 (41) (400), 5.841 (100) (011), 5.208 (47) (410), 4.162 (88) (411), 4.005 (62) (420), 3.462 (50) (002), 3.207 (32) (031), 2.811 (40) (412).

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46

Simon, G., D. H. M. Alderton, and T. Bleser. "Arsenian nagyagite from Sacarimb, Romania: a possible new mineral species." Mineralogical Magazine 58, no. 392 (September 1994): 473–78. http://dx.doi.org/10.1180/minmag.1994.058.392.12.

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AbstractArsenic-rich nagyagite (up to 5.5 wt % As) has been discovered in samples from the Au-Ag-Te deposit of Sacarimb, western Romania. Optical properties of the mineral show small but distinct differences to nagyagite (ss). Chemical analyses indicate a substitution of As for Sb, and chemical zonation suggests rapid changes in the chemistry of the mineralising fluids.

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Gamyanin, G. N., Yu Ya Zhdanov, N. V. Zayakina, V. V. Gamyanina, and V. S. Suknev. "Mangazeite, Al2(SO4)(OH)4 · 3H2O, a new mineral species." Geology of Ore Deposits 49, no. 7 (December 2007): 514–17. http://dx.doi.org/10.1134/s1075701507070045.

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Chukanov, N. V., I. V. Pekov, R. K. Rastsvetaeva, S. M. Aksenov, D. I. Belakovskiy, K. V. Van, W. Schüller, and B. Ternes. "Osumilite-(Mg): Validation as a mineral species and new data." Geology of Ore Deposits 55, no. 7 (December 2013): 587–93. http://dx.doi.org/10.1134/s1075701513070064.

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49

Huskić, Igor, and Tomislav Friščić. "Understanding geology through crystal engineering: coordination complexes, coordination polymers and metal–organic frameworks as minerals." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 74, no. 6 (December 1, 2018): 539–59. http://dx.doi.org/10.1107/s2052520618014762.

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Recent structural studies of organic minerals, coupled with the intense search for new carbon-containing mineral species, have revealed naturally occurring structures analogous to those of advanced materials, such as coordination polymers and even open metal–organic frameworks exhibiting nanometre-sized channels. While classifying such `non-conventional' minerals represents a challenge to usual mineral definitions, which focus largely on inorganic structures, this overview highlights the striking similarity of organic minerals to artificial organic and metal–organic materials, and shows how they can be classified using the principles of coordination chemistry and crystal engineering.

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Coombs, Douglas S., Alberto Alberti, Thomas Armbruster, Gilberto Artioli, Carmine Colella, Ermanno Galli, Joel D. Grice, et al. "Recommended nomenclature for zeolite minerals: report of the subcommittee on zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names." Mineralogical Magazine 62, no. 04 (August 1998): 533–71. http://dx.doi.org/10.1180/002646198547800.

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Abstract This report embodies recommendations on zeolite nomenclature approved by the International Mineralogical Association Commission on New Minerals and Mineral Names. In a working definition of a zeolite mineral used for this review, interrupted tetrahedral framework structures are accepted where other zeolitic properties prevail, and complete substitution by elements other than Si and Al is allowed. Separate species are recognized in topologically distinctive compositional series in which different extra-framework cations are the most abundant in atomic proportions. To name these, the appropriate chemical symbol is attached by a hyphen to the series name as a suffix except for the names harmotome, pollucite and wairakite in the phillipsite and analcime series. Differences in spacegroup symmetry and in order—disorder relationships in zeolites having the same topologically distinctive framework do not in general provide adequate grounds for recognition of separate species. Zeolite species are not to be distinguished solely on Si : Al ratio except for heulandite (Si : Al < 4.0) and clinoptilolite (Si : Al ⩾ 4.0). Dehydration, partial hydration, and over-hydration are not sufficient grounds for the recognition of separate species of zeolites. Use of the term ‘ideal formula’ should be avoided in referring to a simplified or averaged formula of a zeolite. Newly recognized species in compositional series are as follows: brewsterite-Sr, -Ba; chabazite-Ca, - Na, -K; clinoptilolite-K, -Na, -Ca; dachiardite-Ca, -Na; erionite-Na, -K, -Ca; faujasite-Na, -Ca, -Mg; ferrierite-Mg, -K, -Na; gmelinite-Na, -Ca, -K; heulandite-Ca, -Na, -K, -Sr; levyne-Ca, -Na; paulingite-K, -Ca; phillipsite-Na, -Ca, -K; stilbite-Ca, -Na. Key references, type locality, origin of name, chemical data, IZA structure-type symbols, space-group symmetry, unit-cell dimensions, and comments on structure are listed for 13 compositional series, 82 accepted zeolite mineral species, and three of doubtful status. Herschelite, leonhardite, svetlozarite, and wellsite are discredited as mineral species names. Obsolete and discredited names are listed.

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