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IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 88

Published online by Cambridge University Press:  27 November 2025

Ferdinando Bosi ,
Frédéric Hatert ,
Marco Pasero  and
Stuart J. Mills
Ferdinando Bosi
Affiliation:
Dipartimento di Scienze della Terra, Sapienza Università di Roma, Roma, Italy
Frédéric Hatert
Affiliation:
Laboratoire de Minéralogie et de Cristallochimie, Université de Liège, Liège, Belgium
Marco Pasero*
Affiliation:
Dipartimento di Scienze della Terra, Università di Pisa, Pisa, Italy
Stuart J. Mills
Affiliation:
Gallery of Natural Art, Richardson, USA
*
Corresponding author: Marco Pasero, Email: marco.pasero@unipi.it
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Type
CNMNC Newsletter
Information
Mineralogical Magazine , Volume 90 , Issue 1 , February 2026 , pp. 192 - 195
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of The Mineralogical Society of the United Kingdom 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 (ideal formula)

Mineral symbol

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 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

New mineral proposals approved in October 2025

IMA No. 2024-092a

  • Rigrahamite

  • Na2Ca2Th2(CO3)4(HCO3)2(OH)4(H2O)7

  • Rig

  • Poudrette quarry, Mont Saint-Hilaire, Québec, Canada (45°33’46” N, 73°08’30” W)

  • Inna Lykova*, Ralph Rowe, Glenn Poirier, Henrik Friis, Stephanie Barnes and Michael Bainbridge

  • *E-mail:

  • New structure type

  • Monoclinic: P21/m; structure determined

  • a = 6.3846(1), b = 30.8254(4), c = 6.49473(8) Å, β = 95.354(1)°

  • 15.49(100), 6.49(12), 6.22(34), 5.139(28), 4.707(16), 4.305(16), 3.854(14), 3.016(13)

  • Type material is deposited in the collections of the Canadian Museum of Nature, PO Box 3443, Station “D”, Ottawa, Ontario, Canada, catalogue number CMNMC 90989 (holotype), and the Natural History Museum, University of Oslo, PO Box 1172, Blindern, Oslo, Norway, catalogue number KNR 44454 (cotype)

  • How to cite: Lykova, I., Rowe, R., Poirier, G., Friis, H., Barnes, S. and Bainbridge, M. (2025) Rigrahamite, IMA 2024-092a. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-016

  • Nioboixiolite-(Fe2+)

  • (Nb2/3Fe1/32+)O2

  • Nbix-Fe2+

  • In a granitic pegmatite from a quarry situated ca. 1 km west of the Jordanów Śląski village, ca. 30 km south of Wrocław, Lower Silesia, Poland (50°52’16” N, 16°50’18” E)

  • Sylwia Zelek-Pogudz, Bożena Gołębiowska, Bogdan Rutkowski, Krzysztof Nejbert, Katarzyna M. Stadnicka and Adam Pieczka*

  • *E-mail:

  • Columbite supergroup

  • Orthorhombic: Pbcn; structure determined

  • a = 4.7368(2), b = 5.7155(2), c = 5.0831(2) Å

  • 3.647(28), 2.963(100), 2.541(13), 2.491(15), 1.768(14), 1.733(18), 1.716(24), 1.537(14)

  • Type material is deposited in the collections of the Mineralogical Museum, University of Wrocław, Cybulskiego 30, 50-205 Wrocław, Poland, catalogue numbers MMUWr IV8117 (holotype) and MMUWr IV8119 (cotype)

  • How to cite: Zelek-Pogudz, S., Gołębiowska, B., Rutkowski, B., Nejbert, K., Stadnicka, K.M. and Pieczka, A. (2025) Nioboixiolite-(Fe2+), IMA 2025-016. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-046

  • Sulfopadmaite

  • PdBiS

  • Spdm

  • Srednyaya Padma deposit, Zaonezhsky peninsula, Medvezhyegorsk District, Republic of Karelia, Russia (62°21’41” N, 35°26’14” E)

  • Mikhail V. Strelnikov*, Sergey N. Britvin, Vasiliy O. Yapaskurt, Victor M. Gekimyants, Atali A. Agakhanov, Pavel Y. Plechov and Igor V. Pekov

  • *E-mail:

  • The S analogue of padmaite

  • Cubic: P213; structure determined

  • a = 6.3272(3) Å

  • 4.474(26), 3.164(17), 2.830(100), 2.583(54), 1.908(50), 1.755(17), 1.691(29), 1.175(17)

  • Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky Pr. 18-2, 119071 Moscow, Russia, registration number 6271/1

  • How to cite: Strelnikov, M.V., Britvin, S.N., Yapaskurt, V.O., Gekimyants, V.M., Agakhanov, A.A., Plechov, P.Y. and Pekov, I.V. (2025) Sulfopadmaite, IMA 2025-046. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-049

  • Magnesiohongruiite-(Fe3+)

  • (Mg2Fe3+)Fe3+NbO7(OH)

  • Mhg-Fe3+

  • Bayan Obo deposit, 130 km north of the city of Baotou, Inner Mongolia, China (41°47’42.7” N, 109°58’15.7” E)

  • Yun-Xiang Zhan, Hai-Dong She, Xiao-Chun Li*, Xiang-Ping Gu and Kui-Feng Yang

  • *E-mail:

  • Nolanite supergroup

  • Hexagonal: P63mc; structure determined

  • a = 5.9711(2), c = 9.4375(3) Å

  • 5.166(39), 3.475(77), 2.984(48), 2.681(100), 2.516(100), 1.658(50), 1.522(57), 1.492(57)

  • Type material is deposited in the collections of the Geology Museum of the Institute of Geology and Geophysics, Chinese Academy of Sciences, No. 19, Beitucheng Western Road, Chaoyang Distinct, 100029 Beijing, People’s Republic of China, catalogue number M8241 (holotype), and the Geological Museum of China, No. 15, Yangrou Hutong, Xicheng Distinct, 100034 Beijing, People’s Republic of China, catalogue number GMCTM2024011 (cotype)

  • How to cite: Zhan, Y.X., She, H.D., Li, X.C., Gu, X.P. and Yang, K.F. (2025) Magnesiohongruiite-(Fe3+), IMA 2025-049. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-051

  • Konzettite

  • CaMn4+Te6+O6

  • Knz

  • Moctezuma mine, Moctezuma, Sonora, Mexico (29°48’ N, 109°40’ W)

  • Hexiong Yang*, Xiangping Gu, Ronald B. Gibbs and Robert T. Downs

  • *E-mail:

  • The Ca analogue of kuranakhite

  • Trigonal: P312; structure determined

  • a = 5.0515(3), c = 5.0368(3) Å

  • 5.038(52), 4.377(27), 3.304(100), 2.529(42), 2.260(35), 2.007(20), 1.784(55), 1.570(25)

  • Type material is deposited in the collections of the University of Arizona Alfie Norville Gem & Mineral Museum, 115 N Church Ave Ste 121, Tucson, AZ 85701, USA, catalogue no. 22746 (holotype), and the RRUFF Project, deposition no. R250011 (cotype)

  • How to cite: Yang, H., Gu, X., Gibbs, R.B. and Downs, R.T. (2025) Konzettite, IMA 2025-051. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-052

  • Gritsenkoite

  • CoMg2(AsO4)2(H2O)8

  • Grk

  • Khovu-Aksy deposit, Chedi-Kholskiy district, Tuva Republic, Eastern Siberia, Russia (51°09’35” N, 93°41’09” E)

  • Anatoly V. Kasatkin*, Jakub Plášil, Radek Škoda and Atali A. Agakhanov

  • *E-mail:

  • Vivianite group

  • Monoclinic: C2/m; structure determined

  • a = 10.2594(4), b = 13.4338(4), c = 4.7528(4) Å, β = 105.166(7)°

  • 7.888(14), 6.768(100), 4.390(84), 3.900(80), 3.656(11), 3.234(31), 3.001(40), 2.729(32)

  • Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky Pr. 18-2, 119071 Moscow, Russia, registration number 6272/1 (holotype) and 6272/2 (cotype)

  • How to cite: Kasatkin, A.V., Plášil, J., Škoda, R. and Agakhanov, A.A. (2025) Gritsenkoite, IMA 2025-052. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-053

  • Kryzaite

  • Na4(MgCr)(PO4)3

  • Krz

  • Morasko iron meteorite, found in the Morasko meteorite natural reserve, northern edge of Poznań, Poland (52°29’25.2” N, 16°53’25.9” E)

  • Evgeny Galuskin*, Andrzej Muszyński, Taras Panikorovskii, Joachim Kusz, Maria Książek, Irina Galuskina, Grzegorz Zieliński and Krystian Prusik

  • *E-mail:

  • Known synthetic analogue

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

  • a = 8.8509(6), c = 21.256(2) Å

  • 4.367(32), 3.756(61), 3.543(22), 2.871(37), 2.766(100), 2.555(65), 2.112(17), 1.877(35)

  • Type material is deposited in the collections of the Mineralogical Museum, University of Wrocław, Cybulskiego 30, 50-205 Wrocław, Poland, catalogue number MMUWr-IV-8197

  • How to cite: Galuskin, E., Muszyński, A., Panikorovskii, T., Kusz, J., Książek, M., Galuskina, I., Zieliński, G. and Prusik, K. (2025) Kryzaite, IMA 2025-053. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-054

  • Ixiolite-(Sc)

  • (Ta0.5Sc0.5)O2

  • Ix-Sc

  • Heftetjern pegmatite, Tørdal, Telemark, Norway (59°11’ N, 8°45’ E)

  • Alice Taddei, Dan Holtstam, Roy Kristiansen and Luca Bindi*

  • *E-mail:

  • Columbite supergroup

  • Orthorhombic: Pbcn; structure determined

  • a = 4.7673(4), b = 5.7113(5), c = 5.1564(5) Å

  • 3.66(24), 2.982(100), 2.498(16), 1.913(11), 1.748(16), 1.723(24), 1.555(31), 1.472(12)

  • Type material is deposited in the collections of the Museo di Storia Naturale “La Specola”, Università di Firenze, Via La Pira 4, I-50121, Firenze, Italy, catalogue number MSN-MIN 3749/I

  • How to cite: Taddei, A., Holtstam, D., Kristiansen, R. and Bindi, L. (2025) Ixiolite-(Sc), IMA 2025-054. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-056

  • Hartkoppeite

  • Ca4Mn2+Mo66+As45+O32(OH)2(H2O)14·5H2O

  • Hkp

  • Fuchs quarry, Hartkoppe, Sailauf, Aschaffenburg district, Lower Franconia, Bavaria, Germany (50°01’57” N, 9°16’28” E)

  • Anthony R. Kampf*, Gerhard Möhn, Chi Ma and Joy Désor

  • *E-mail:

  • New structure type

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

  • a = 13.3461(1), b = 13.5384(1), c = 14.3087(2) Å, α = 71.080(5), β = 82.936(6), γ = 68.792(5)°

  • 12.552(100), 10.452(36), 7.887(40), 5.559(39), 3.262(38), 3.137(54), 3.034(38), 1.479(34)

  • Type material is deposited in the collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 77379

  • How to cite: Kampf, A.R., Möhn, G., Ma, C. and Désor, J. (2025) Hartkoppeite, IMA 2025-056. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

New mineral proposals approved in November 2025

IMA No. 2025-043

  • Kidodite

  • BaMg2Fe16O27

  • Kdd

  • Hatrurim Complex, Negev Desert, near the city of Arad, Israel (31°14’22” N, 35°16’55” E)

  • Evgeny V. Galuskin*, Irina O. Galuskina, Maria Książek, Yevgeny Vapnik, Joachim Kusz and Grzegorz Zieliński

  • *E-mail:

  • Known synthetic analogue

  • Hexagonal: P63/mmc; structure determined

  • a = 5.8907(4), c = 32.785(2) Å

  • 2.945(48), 2.758(63), 2.593(100), 2.573(28), 2.436(29), 2.166(24), 1.662(24), 1.473(47)

  • Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky Pr. 18-2, 119071 Moscow, Russia, registration number 6086/1

  • How to cite: Galuskin, E.V., Galuskina, I.O., Książek, M., Vapnik, Y., Kusz, J. and Zieliński, G. (2025) Kidodite, IMA 2025-043. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-048

  • Arsenosabugalite

  • H0.5Al0.5(UO2)2(AsO4)2·8H2O

  • Asbg

  • Hubbard Homestead mine, near Gateway, Mesa Co., Colorado, USA (38°38’00” N, 109°01’01” W)

  • Anthony R. Kampf*, Travis A. Olds, Jakub Plášil, Christopher Emproto, Chi Ma, Paul M. Adams and Joe Marty

  • *E-mail:

  • The arsenate analogue of sabugalite

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

  • a = 7.090(1), b = 7.107(1), c = 19.779(5) Å, α = 85.04(2), β = 83.99(2), γ = 89.954(1)°

  • 9.793(100), 4.953(47), 4.629(23), 3.521(72), 3.379(29), 3.221(25), 2.502(21), 2.229(25)

  • Cotype material is deposited in the collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 76791, 76792, 76793 and 77376

  • How to cite: Kampf, A.R., Olds, T.A., Plášil, J., Emproto, C., Ma, C., Adams, P.M. and Marty, J. (2025) Arsenosabugalite, IMA 2025-048. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-059

  • Jinxiuite

  • Ni18Bi2SbAsS16

  • Jx

  • Adit of Orebody No. 3, Longhua Ni-Co deposit, Jinxiu Yao Autonomous County, Guangxi Zhuang Autonomous Region, China (24°04’03” N, 110°07’08” E)

  • Hejun Tang, Qingtian Lv, Zhen Deng, Zhenhan Wu, Jiayong Yan*, Zhenyu Chen, Xiangping Gu, Baolin Zhang, Mingjian Cao and Guang Fan

  • *E-mail:

  • Chemically and structurally related to arsenohauchecornite

  • Tetragonal: I4/mmm; structure determined

  • a = 10.2292(1), c = 10.8101(3) Å

  • 4.348(41), 3.622(41), 3.238(61), 2.775(100), 2.386(66), 2.287(79), 1.856(52), 1.803(69)

  • Type material is deposited in the collections of the Geological Museum of China, Yangrou Hutong No. 15, Xisi, Xicheng District, Beijing 100034, People’s Republic of China, catalogue number GMCTM2025020 (holotype), and the State Key Laboratory of Deep Earth and Mineral Exploration, Chinese Academy of Geological Sciences (CAGS), Beijing 100037, People’s Republic of China, catalogue number JX-1

  • How to cite: Tang, H., Lv, Q., Deng, Z., Wu, Z., Yan, J., Chen, Z., Gu, X., Zhang, B., Cao, M. and Fan, G. (2025) Jinxiuite, IMA 2025-059. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-060

  • Perchukite-(Y)

  • PbYAsSi2O8

  • Pcu-Y

  • Darai-Pioz alkaline massif, upper reaches of the Darai-Pioz River, Tajikistan (39°30’ N, 70°40’ E)

  • Atali A. Agakhanov, Natalia V. Zubkova, Radek Škoda, Igor V. Pekov, Leonid A. Pautov, Vladimir Y. Karpenko, Anatoly V. Kasatkin, Dmitry A. Ksenofontov, Vitaliya А. Аgakhanova, Sergey N. Britvin and Pavel Y. Plechov

  • *E-mail:

  • New structure type

  • Monoclinic: C2/c; structure determined

  • a = 18.649(1), b = 7.5535(4), c = 10.4632(6) Å, β = 106.306(7)°

  • 8.95(46), 6.95(34), 5.02(17), 3.88(29), 3.23(24), 3.02(100), 2.955(52), 2.886(36)

  • Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninsky Pr. 18-2, 119071 Moscow, Russia, registration number 6276/1

  • How to cite: Agakhanov, A.A., Zubkova, N.V., Škoda, R., Pekov, I.V., Pautov, L.A., Karpenko, V.Y., Kasatkin, A.V., Ksenofontov, D.A., Аgakhanova, V.A., Britvin, S.N. and Plechov, P.Y. (2025) Perchukite-(Y), IMA 2025-060. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-063

  • Nybergite

  • Ca4Sc3Sn(Si2O7)(Si2O6OH)3

  • Nbg

  • Szklarska Poręba Huta quarry, Lower Silesia, Poland (50°49’40” N, 15°29’02” E)

  • Adam Pieczka, Sylwia Zelek-Pogudz, Bożena Gołębiowska, Katarzyna Mil, Bogdan Rutkowski, Katarzyna M. Stadnicka and Roy Kristiansen

  • *E-mail:

  • Kristiansenite group

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

  • a = 10.0753(3), b = 8.4542(2), c = 13.3605(4) Å, α = 90.002(3), β = 109.395(2), γ = 89.995(2)°

  • 5.206(34), 5.205(34), 4.598(32), 3.151(100), 3.112(75), 2.916(26), 2.376(23), 2.212(25)

  • Type material is deposited in the collections of the Mineralogical Museum, University of Wrocław, Cybulskiego 30, 50-205 Wrocław, Poland, catalogue number MMUWr IV8149

  • How to cite: Pieczka, A., Zelek-Pogudz, S., Gołębiowska, B., Mil, K., Rutkowski, B., Stadnicka, K.M. and Kristiansen, R. (2025) Nybergite, IMA 2025-063. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-065

  • Henrysunite

  • Na2(C2H3O3)2(H2O)

  • Hsn

  • Western end of Pusch Ridge, Santa Catalina Mountains, north of Tucson, Pima Co., Arizona, USA (32°21’40” N, 110°57’29” W, 975 m a.s.l.)

  • Hexiong Yang*, Anthony R. Kampf, Warren Lazar, Ronald B. Gibbs and Robert T. Downs

  • *E-mail:

  • Chemically similar to glecklerite

  • Orthorhombic: Ama2; structure determined

  • a = 6.3986(2), b = 20.3028(6), c = 5.8384(2) Å

  • 5.617(76), 3.645(45), 3.205(72), 2.709(48), 2.592(52), 2.352(100), 1.994(60), 1.636(32)

  • Type material is deposited in the collections of the University of Arizona Alfie Norville Gem & Mineral Museum, 115 N Church Ave Ste 121, Tucson, AZ 85701, USA, catalogue no. 22748 (holotype), and the RRUFF Project, deposition no. R240005 (cotype)

  • How to cite: Yang, H., Kampf, A.R., Lazar, W., Gibbs, R.B. and Downs, R.T. (2025) Henrysunite, IMA 2025-065. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

IMA No. 2025-066

  • Chorążewiczite

  • Pb2Fe3+(Te6+O6)(HCO3)

  • Cwz

  • On a dump of the Delamar mine, Delamar district, Lincoln Co., Nevada, USA (37°27’45” N, 114°46’08” W – holotype); Aga mine, Otto Mountain, San Bernardino Co., California, USA (35°16’20” N, 116°05’42” W – cotype)

  • Anthony R. Kampf*, Stuart J. Mills, Robert M. Housley, Owen P. Missen and Chi Ma

  • *E-mail:

  • The bicarbonate analogue of müllerite

  • Trigonal: P312; structure determined

  • a = 5.199(4), c = 8.583(4) Å

  • 4.493(53), 3.972(28), 3.113(100), 2.599(51), 2.251(17), 1.997(26), 1.924(28), 1.584(27)

  • Type material is deposited in the collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue numbers 77380 (holotype, Delamar mine), 777381 (cotype, Delamar mine) and 77382 (cotype, Aga mine)

  • How to cite: Kampf, A.R., Mills, S.J., Housley, R.M., Missen. O.P. and Ma, C. (2025) Chorążewiczite, IMA 2025-066. CNMNC Newsletter 88, Mineralogical Magazine, 89, https://doi.org/10.1180/mgm.2025.10183

Footnotes

*

Chairman (CNMNC);

**

Vice-chairman (CNMNC),

***

Secretary (CNMNC)