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Newsletter 59

Published online by Cambridge University Press:  11 February 2021

Ritsuro Miyawaki ,
Frédéric Hatert ,
Marco Pasero  and
Stuart J. Mills
Ritsuro Miyawaki
Affiliation:
Department of Geology and Paleontology, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba 305-0005, Japan – miyawaki@kahaku.go.jp
Frédéric Hatert
Affiliation:
Laboratoire de Minéralogie, Université de Liège, B-4000 Liège, Belgium – fhatert@uliege.be
Marco Pasero*
Affiliation:
Dipartimento di Scienze della Terra, Università di Pisa, Via Santa Maria 53, I-56126 Pisa, Italy – marco.pasero@unipi.it
Stuart J. Mills
Affiliation:
Geosciences, Museums Victoria, PO Box 666, Melbourne, Victoria3001, Australia – smills@museum.vic.gov.au
*
*Author for correspondence: Marco Pasero, Email: marco.pasero@unipi.it
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CNMNC Newsletter
Information
Mineralogical Magazine , Volume 85 , Issue 2 , April 2021 , pp. 278 - 281
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of The Mineralogical Society of Great Britain and Ireland

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 corresponding author

Relationship to other minerals

Crystal system, Space group; Structure determined, yes or no

Unit-cell parameters

Strongest lines in the powder X-ray diffraction pattern

Type specimen repository and specimen number

Citation details for the mineral prior to publication of full description

Citation details concern the fact that this information will be published in the Mineralogical Magazine on a routine basis, as well as being added month by month to the Commission's web site.

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

NEW MINERAL PROPOSALS APPROVED IN DECEMBER 2020

IMA No. 2018-135a

  • Xuite

  • Ca3Fe2[(AlO3(OH)]3

  • Menan Volcanic Complex, near Rexburg, Madison Co., Idaho, USA (43°47’03”N, 111°58’23”W – holotype); paralava from Gillette, Campbell Co., Wyoming, USA (cotype)

  • Seungyeol Lee* and Xiaofeng Guo

  • *E-mail:

  • Garnet supergroup

  • Cubic: Ia $\overline 3 $d; structure determined

  • a = 12.5056(5) Å

  • 5.106(16), 4.421(65), 3.342(24), 3.126(62), 2.796(100), 2.666(15), 2.552(63), 2.028(5)

Type material is deposited in the mineralogical collections of the Geology Museum of the Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706, USA, catalogue numbers UWGM 2341 (holotype – Rexburg), UWGM 2342, UWGM 2343, UWGM 2352 and UWGM 2353 (cotypes – Rexburg and Gillette) How to cite: Lee, S. and Guo, X. (2021) Xuite, IMA 2018-135a. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-066

  • Hydroxymcglassonite-(K)

  • KSr4Si8O20(OH)⋅8H2O

  • Wessels mine, Kalahari Manganese Fields, Northern Cape Province, South Africa (27°06’51.82”S, 22°51’18.31”E)

  • Hexiong Yang*, Xiangping Gu and Michael M. Scott

  • *E-mail:

  • Apophyllite group

  • Tetragonal: P4/mcn; structure determined

  • a = 9.0792(2), c = 16.1551(9) Å

  • 8.008(94), 4.539(42), 3.940(50), 3.638(81), 3.055(34), 2.993(58), 2.800(28), 2.538(100)

  • Type material is deposited in the collections of the University of Arizona Mineral Museum, 1601 E University Blvd, Tucson, AZ 85719, USA, catalogue # 22691 (holotype), and the RRUFF Project, deposition # R200004 (cotype)

  • How to cite: Yang, H., Gu, X. and Scott, M.M. (2021) Hydroxymcglassonite-(K), IMA 2020-066. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-067

  • Donowensite

  • Ca(H2O)3Fe3+2(V2O7)2

  • North Wilson pit, Wilson Springs mine (a.k.a. Union Carbide mine), Wilson Springs (a.k.a. Potash Sulfur Springs), Garland Co., Arkansas, USA (34°28’40”N, 92°58’05”W)

  • Anthony R. Kampf*, John M. Hughes, Barbara P. Nash and Jason B. Smith

  • *E-mail:

  • New structure type

  • Triclinic: P $\overline 1 $; structure determined

  • a = 7.3452(4), b = 9.9291(4), c = 10.0151(7) Å, α = 94.455(7), β = 98.476(7), γ = 100.779(7)°

  • 9.88(100), 7.12(24), 4.176(17), 3.671(20), 3.283(44), 3.202(22), 3.110(19), 2.973(26)

  • Cotype material is deposited in the mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 75041 and 75042

  • How to cite: Kampf, A.R., Hughes, J.M., Nash, B.P. and Smith, J.B. (2021) Donowensite, IMA 2020-067. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

  • IMA No. 2020-068

  • Mikehowardite

  • Fe3+4(V5+O4)4(H2O)2⋅H2O

  • North Wilson pit, Wilson Springs mine (a.k.a. Union Carbide mine), Wilson Springs (a.k.a. Potash Sulfur Springs), Garland Co., Arkansas, USA (34°28’40”N, 92°58’05”W)

  • Anthony R. Kampf*, John M. Hughes, Barbara P. Nash and Jason B. Smith

  • *E-mail:

  • Structurally related to schubnelite

  • Triclinic: P $\overline 1 $; structure determined

  • a = 6.655(2), b = 6.669(1), c = 9.003(2) Å, α = 76.515(5), β = 84.400(6), γ = 75.058(5)°

  • 8.799(86), 6.449(100), 3.693(29), 3.198(88), 2.982(50), 2.909(59), 2.792(31), 2.145(30)

  • Cotype material is deposited in the mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 75041 and 75042

  • How to cite: Kampf, A.R., Hughes, J.M., Nash, B.P. and Smith, J.B. (2021) Mikehowardite, IMA 2020-068. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-069

  • Argentotetrahedrite-(Zn)

  • Ag6(Cu4Zn2)Sb4S13

  • Kremnica deposit, Žiar nad Hronom District, Banská Bystrica Region, Slovakia (48°42’44”N, 18°54’07”E – type locality); Lengenbach quarry, Imfeld, Binn Valley, Canton Valais, Switzerland (46°21’54”N, 8°13’15”E – cotype locality)

  • Jiří Sejkora, Cristian Biagioni*, Martin Števko, Thomas Raber and Philippe Roth

  • *E-mail:

  • Tetrahedrite group

  • Cubic: I $\overline 4 $3m; structure determined

  • a = 10.550(1) Å

  • 7.460(24), 3.046(100), 2.820(6), 2.638(23), 2.487(6), 2.249(6), 1.865(35), 1.591(18)

  • Type material is deposited in the collections of the Department of Mineralogy and Petrology, National Museum in Prague, Cirkusová 1740, 19300 Praha 9, Czech Republic, catalogue number P1P 51/2020 (Kremnica), and the Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (PI), catalogue numbers 19922 (Kremnica) and 19923 (Lengenbach)

  • How to cite: Sejkora, J., Biagioni, C., Števko, M., Raber, T. and Roth, P. (2021) Argentotetrahedrite-(Zn), IMA 2020-069. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-070

  • Zolenskyite

  • FeCr2S4

  • Indarch meteorite, fell on April 7, 1891 at Shusha, Azerbaijan (40°04’09”N, 47°12’15”E)

  • Chi Ma*

  • *E-mail:

  • The Fe analogue of brezinaite and a dimorph of daubréelite

  • Monoclinic: C2/m

  • a = 12.84(1), b = 3.44(1), c = 5.94(1) Å, β = 117(1)°

  • 5.251(52), 2.977(47), 2.646(92), 2.625(46), 2.067(93), 2.057(100), 1.720(47), 1.716(78)

  • Type material is deposited in the meteorite collection of the Division of Geological and Planetary Sciences, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USA, catalogue numbers ICM1 and ICM3

  • How to cite: Ma, C. (2021) Zolenskyite, IMA 2020-070. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-071

  • Makotoite

  • Ag12(Cu3Au)S8

  • Funan gold deposit, ca. 16 km W of Zhaoyuan, Shandong Province, China (37°23’34”N, 120°16’05”E)

  • Xiangping Gu*

  • *E-mail:

  • The Cu-Au-ordered analogue of uytenbogaardtite

  • Trigonal: R $\overline 3 $c; structure determined

  • a = 13.584(2), c = 16.781(3) Å

  • 6.873(29), 2.788(16), 2.690(74), 2.576(100), 2.339(32), 2.104(44), 1.970(34), 1.762(19)

  • Type material is deposited in the mineralogical collection of the Geological Museum of China, No. 16, Yangrou Hutong, Xisi, Beijing 100031, China, catalogue number M16110

  • How to cite: Gu, X. (2021) Makotoite, IMA 2020-071. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-072

  • Thebaite-(NH4)

  • (NH4)3Al(C2O4)(PO3OH)2(H2O)

  • 125-foot level of the Rowley mine, ca. 20 km NW of Theba, Maricopa Co., Arizona, USA (33°02’57”N, 113°01’58”W)

  • Anthony R. Kampf*, Mark A. Cooper, Aaron J. Celestian, Barbara P. Nash and Joe Marty

  • *E-mail:

  • New structure type

  • Monoclinic: P21/c; structure determined

  • a = 11.156(9), b = 6.234(6), c = 18.65(2) Å, β = 102.93(1)°

  • 9.21(88), 7.88(24), 5.39(44), 4.93(26), 4.56(32), 3.350(39), 3.112(100), 2.964(42)

  • Type material is deposited in the mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 75082

  • How to cite: Kampf, A.R., Cooper, M.A., Celestian, A.J., Nash, B.P. and Marty, J. (2021) Thebaite-(NH4), IMA 2020-072. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

NEW MINERAL PROPOSALS APPROVED IN JANUARY 2021

IMA No. 2020-073

  • Devilliersite

  • Ca4Ca2Fe3+10O4[(Fe3+10Si2)O36]

  • Parsa Mountain, eastern part of the Hatrurim Basin, Negev Desert, ca. 10 km southeast of Arad, Israel (31°12.3’N, 35°17.1’E)

  • Biljana Krüger*, Hannes Krüger, Irina O. Galuskina, Evgeny V. Galuskin and Yevgeny Vapnik

  • *E-mail:

  • Sapphirine supergroup

  • Triclinic: P $\overline 1 $; structure determined

  • a = 10.5662(1), b = 10.9497(1), c = 9.08459(7) Å, α = 106.4300(8), β = 95.7466(7), γ = 124.298(1)°

  • 3.001(49), 2.999(52), 2.733(60), 2.731(58), 2.596(100), 2.593(81), 2.591(79), 1.523(49)

  • Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5296/1

  • How to cite: Krüger, B., Krüger, H., Galuskina, I.O., Galuskin E.V. and Vapnik, Y. (2021) Devilliersite, IMA 2020-073. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-074

  • Uranoclite

  • (UO2)2(OH)2Cl2(H2O)4

  • Blue Lizard mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA (37°33’26”N, 110°17’44”W)

  • Anthony R. Kampf*, Jakub Plášil, Travis A. Olds, Barbara P. Nash and Joe Marty

  • *E-mail:

  • Known synthetic analogue

  • Monoclinic: P21/n

  • a = 10.763(8), b = 6.156(8), c = 17.798(8) Å, β = 95.656(15)°

  • 8.85(38), 5.340(100), 5.051(63), 4.421(83), 3.781(38), 3.586(57), 2.828(33), 2.005(37)

  • Cotype material is deposited in the mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 75101 and 75102

  • How to cite: Kampf, A.R., Plášil, J., Olds, T.A., Nash, B.P. and Marty, J. (2021) Uranoclite, IMA 2020-074. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-075

  • Kenoargentotetrahedrite-(Zn)

  • Ag6(Cu4Zn2)Sb4S12□

  • Yindongpo mine, Weishancheng ore field, Tongbai County, Nanyang, Henan Province, China (32°33’02”N, 113°25’25”E)

  • Kai Qu*, Xianzhang Sima, Xiangpin Gu, Weizhi Sun, Guang Fan, Zengqian Hou, Pei Ni, Daming Wang, Zeqiang Yang and Yanjuan Wang

  • *E-mail:

  • Tetrahedrite group

  • Cubic: I $\overline 4 $3m; structure determined

  • a = 10.4624(4) Å

  • 7.345(6), 3.010(100), 2.792(5), 2.606(22), 2.456(5), 2.046(9), 1.844(30), 1.572(15)

  • Type material is deposited in the mineralogical collections of the Geological Museum of China, No. 16 Yangrou Hutong, Xisi, Beijing 100031, People's Republic of China, catalogue number M16112

  • How to cite: Qu, K., Sima, X., Gu, X., Sun, W., Fan, G., Hou, Z., Ni, P., Wang, D., Yang, Z. and Wang, Y. (2021) Kenoargentotetrahedrite-(Zn), IMA 2020-075. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-076

  • Zolotarevite

  • Na5Zr[Si6O15(ОН)3]⋅3H2O

  • Mt. Alluaiv, Lovozero alkaline massif, Kola Peninsula, Russia (67°51’48”N, 34°30’16”E)

  • Julia A. Mikhailova*, Ekaterina A. Selivanova, Sergey V. Krivovichev, Yakov A. Pakhomovsky and Nikita V. Chukanov

  • *E-mail:

  • Lovozerite group

  • Trigonal: R $\overline 3 $m; structure determined

  • a = 10.294(6), c = 13.115(8) Å

  • 7.37(69), 5.26(56), 3.686(64), 3.330(79), 3.265(99), 2.640(100), 2.576(60), 1.842(29)

  • Type material is deposited in the collection of the Geological and the Mineralogical Museum of the Geological Institute, Kola Science Centre of the Russian Academy of Sciences, 14 Fersman Street, Apatity 184209, Russia, catalogue number GIM 7910

  • How to cite: Mikhailova, J.A., Selivanova, E.A., Krivovichev, S.V., Pakhomovsky, Y.A. and Chukanov, N.V. (2021) Zolotarevite, IMA 2020-076. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-078

  • Nitscheite

  • (NH4)2[(UO2)2(SO4)3(H2O)2]⋅3H2O

  • Green Lizard mine, Red Canyon, White Canyon District, San Juan Co., Utah, USA (37°34’37.10”N, 110°17’52.80”W)

  • Anthony R. Kampf*, Travis A. Olds, Jakub Plášil, Barbara P. Nash and Joe Marty

  • *E-mail:

  • New structure type

  • Monoclinic: P21/n; structure determined

  • a = 17.3982(4), b = 12.8552(3), c = 17.405(1) Å, β = 96.649(7)°

  • 6.45(100), 5.69(30), 5.24(28), 4.275(33), 4.081(38), 3.214(40), 2.816(52), 2.591(30)

  • Cotype material is deposited in the mineralogical collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 75103 and 75104

  • How to cite: Kampf, A.R., Olds, T.A., Plášil, J., Nash, B.P. and Marty, J. (2021) Nitscheite, IMA 2020-078. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

IMA No. 2020-079

  • Argentotetrahedrite-(Hg)

  • Ag6(Cu4Hg2)Sb4S13

  • Dongping deposit, Baojing County, Hunan, China (28°36’05.1”N, 109°37’10.8”E)

  • Peng Wu, Xiangping Gu*, Kai Qu, Hang Yang and Yanjuan Wang

  • *E-mail:

  • Tetrahedrite group

  • Cubic: I $\overline 4 $3m; structure determined

  • a = 10.6511(2) Å

  • 4.356(9), 3.065(100), 2.661(20), 2.505(7), 2.085(9), 1.934(9), 1.881(34), 1.603(17)

  • Type material is deposited in the mineralogical collections of the Geological Museum of China, No. 16 Yangrou Hutong, Xisi, Beijing 100031, People's Republic of China, catalogue number M16114

  • How to cite: Wu, P., Gu, X., Qu, K., Yang, H. and Wang, Y. (2021) Argentotetrahedrite-(Hg), IMA 2020-079. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

  • IMA No. 2020-038a

  • Parahibbingite

  • Fe2+2(OH)3Cl

  • Karee mine, Rustenburg district, Bushveld complex, South Africa (25°40’17”S, 27°28’17”E)

  • Peter Koděra*, Juraj Majzlan, Kilian Pollok, Stefan Kiefer, František Šimko, Jarmila Luptáková and Grant Cawthorn

  • *E-mail:

  • A dimorph of hibbingite

  • Trigonal: R $\overline 3 $m

  • a = 6.94(5), c = 14.5(2) Å

  • 5.55(42), 2.94(22), 2.82(62), 2.31(100), 1.85(17), 1.73(36), 1.66(8), 1.53(15)

  • Type material is deposited in the collections of the Mineralogical Museum, Comenius University, Ilkovičova 6, Bratislava 84215, Slovakia, catalogue no. 7601

  • How to cite: Koděra, P., Majzlan, J., Pollok, K., Kiefer, S., Šimko, F., Luptáková, J. and Cawthorn, G. (2021) Parahibbingite, IMA 2020-038a. CNMNC Newsletter 59; Mineralogical Magazine, 85, https://doi.org/10.1180/mgm.2021.5

REVISED CHEMICAL FORMULAE

A paper on the new mineral petrovite has been recently published (Mineral. Mag., 84, 2020, 691–698) in which the ideal chemical formula of the mineral is given as Na10CaCu2(SO4)8. With respect to the previously accepted formula Na8(NaCu)Cu2Na(SO4)8 (cf. CNMNC Newsletter 52), Ca has the status of species-forming constituent, and is partitioned at one of the six independent Na sites. After a careful consideration by the officers of the CNMNC, it turned out that Na10CaCu2(SO4)8 can not be an end-member formula for the mineral. In fact it is an intermediate between the two compositions Na12Cu2(SO4)8 and Na8□2Ca2Cu2(SO4)8, which correspond to the two end-members (with x = 0 and x = 1, respectively), of the general formula CuNa6−2xCax(SO4)4, where 0 ≤ x ≤ 1. Examination of site occupancies indicates a structural formula Na8(Na0.53Ca0.47)2(Na0.53□0.47)2Cu2(SO4)8, which shows a Na+ + Na+ = Ca2+ + □ substitution mechanism. However, sodium is the dominant cation at all Na sites of the structure; therefore the ideal formula of petrovite should correspond to the formula of the predominant, Ca-free end-member constituent, Na12Cu2(SO4)8. The official IMA List of Minerals has been modified accordingly.

A paper on the new mineral chiyokoite has been recently published [Can. Mineral., 58 (2020), 653–662] in which the ideal chemical formula of the mineral is given as Ca3Si(CO3)[B(OH)4]O(OH)5⋅12H2O. With respect to the previously accepted formula, arsenic is no longer an essential constituent. Actually the chemical and crystallographic data show that arsenic, in the form of the complex anion (AsO3)3–, is a subordinate constituent in the channels of the structure. These data were examined carefully by the CNMNC officers and were considered reliable. Accordingly it was agreed to modify the formula of chiyokoite in the official IMA List of Minerals.