IMA no. 2024-045

• Fengruiite

• [Ag₆Sb₂S₇][Ag₉CuS₂Te₂]

• Fen

• Haopinggou deposit, about 60 km southwest of Luoning County, Henan Province, China (34°10^′54^′′ N, 111°16^′55^′′ E)

• Yongfei Tian, Guowu Li, Ningyue Sun, Min Liu^*, Jingwen Mao, Yunpeng Dong, Peng Liu, Wei Jian, Wei Yao, and Huishou Ye

• ^* E-mail: liuminhello@163.com

• Pearceite–polybasite group

• Trigonal: $P\stackrel{\mathrm{‾}}{\mathrm{3}}m$1; structure determined

• a= 7.6087(9), c= 11.970(2) Å

• 5.987(18), 3.177(17), 2.977(81), 2.873(100), 2.531(23), 2.344(21), 2.097(20), 1.897(21)

• Type material is deposited in the collections of the Geological Museum of China, No. 15, Yangrou Hutong, Xisi, Xicheng District, Beijing, People's Republic of China, catalogue number GMCTM2024004

• How to cite: Tian, Y., Li, G., Sun, N., Liu, M., Mao, J., Dong, Y., Liu, P., Jian, W., Yao, W., and Ye, H.: Fengruiite, IMA 2024-045, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-069

• Sigogglinite

• [Pb₆Zn(OH)₈](SO₄)₃ ⋅ 3H₂O

• Sgog

• Redmond mine, Haywood Co., North Carolina, USA (35°40^′55^′′ N, 83°00^′56^′′ W)

• Christopher Emproto^*, Travis A. Olds, Anthony R. Kampf, Jason B. Smith, John M. Hughes, and Chi Ma

• ^* E-mail: emprotoc@carnegiemnh.org

• New structure type

• Monoclinic: P2/n; structure determined

• a= 14.8109(2), b= 9.1360(1), c= 17.3693(3) Å, β= 92.879(1)°

• 7.349(76), 5.854(100), 3.800(82), 3.535(83), 2.946(67), 2.907(54), 2.781(58), 2.580(56)

• 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 76449

• How to cite: Emproto, C., Olds, T. A., Kampf, A. R., Smith, J. B., Hughes, J. M., and Ma, C.: Sigogglinite, IMA 2024-069, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-071

• Blueridgeite

• [Pb₈Zn₃Cu²⁺(OH)₁₆](SO₄)₂(S₂O₃)₂ ⋅ 2H₂O

• Blrg

• Redmond mine, Haywood Co., North Carolina, USA (35°40^′55^′′ N, 83°00^′56^′′ W)

• Christopher Emproto^*, Travis A. Olds, Anthony R. Kampf, Jason B. Smith, John M. Hughes, and Chi Ma

• ^* E-mail: emprotoc@carnegiemnh.org

• New structure type

• Monoclinic: P2₁/c; structure determined

• a= 12.1530(7), b= 14.4758(7), c= 11.0034(6) Å, β= 116.212(3)°

• 5.449(90), 4.899(52), 4.653(48), 3.397(52), 3.097(100), 2.991(30), 2.707(69), 2.421(33)

• 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 76450, 76451, and 76452

• How to cite: Emproto, C., Olds, T. A., Kampf, A. R., Smith, J. B., Hughes, J. M., and Ma, C.: Blueridgeite, IMA 2024-071, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-072

• Tomcampbellite

• [KCl][Fe${}_{\mathrm{14}}^{\mathrm{2}+}$(OH)₆(PO₄)₆(PO₃OH)₂]

• Tcp

• Dan Patch mine, near Keystone, Pennington Co., South Dakota, USA (43°53^′40^′′ N, 103°26^′20^′′ W)

• Hexiong Yang^*, Guang Fan, Anthony R. Kampf, Thomas A. Loomis, Ronald B. Gibbs, and Robert T. Downs

• ^* E-mail: hyang@arizona.edu

• New structure type

• Monoclinic: C2/m; structure determined

• a= 16.4176(6), b= 6.2747(2), c= 16.6729(6) Å, β= 115.405(1)°

• 7.516(43), 3.074(100), 2.883(82), 2.755(45), 2.707(45), 1.866(32), 1.664(33), 1.571(38)

• 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. 22739 (holotype), and the RRUFF Project, deposition no. R240012 (cotype)

• How to cite: Yang, H., Fan, G., Kampf, A. R., Loomis, T. A., Gibbs, R. G., and Downs, R. T.: Tomcampbellite, IMA 2024-072, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-073

• Lucasite-(La)

• LaTi₂O₅(OH)

• Lca-La

• Ermakovskaya-7 kimberlite body, Tersky Coast, Kola Peninsula, Russia (66°25^′42^′′ N, 35°35^′43^′′ E)

• Nester Korolev^*, Evgeniy N. Kozlov, Ekaterina S. Kiseeva, Konstantin Glazyrin, Yaakov Weiss, Mikhail Y. Sidorov, Vladimir N. Bocharov, and Sergey V. Krivovichev

• ^* E-mail: korolev.nm@gmail.com

• The lanthanum analogue of lucasite-(Ce)

• Monoclinic: I2/a; structure determined

• a= 5.1811(7), b= 8.828(5), c= 9.806(5) Å, β= 93.11(2)°

• 6.556(20), 3.378(100), 3.278(54), 3.224(81), 3.211(27), 2.818(20), 2.586(19), 2.557(19)

• Type material is deposited in the collections of the American Museum of Natural History, 200 Central Park West, New York, NY 10024, USA, catalogue no. AMNH#115530

• How to cite: Korolev, N., Kozlov, E. N., Kiseeva, E. S., Glazyrin, K., Weiss, Y., Sidorov, M. Y., Bocharov, B. N., and Krivovichev, S. V.: Lucasite-(La), IMA 2024-073, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-075

• Lechnerite

• Ag₁₀Cu₄HgPb₃₃Sb₅₈S₁₂₈

• Lhn

• Monte Arsiccio mine (Sant'Olga tunnel), Sant'Anna di Stazzema, Lucca Province, Tuscany, Italy (43°58^′ N, 10°17^′ E)

• Dan Topa^*, Berthold Stoeger, Frank Keutsch, and Chris Stanley

• ^* E-mail: dan.topa@nhm-wien.ac.at

• New structure type

• Triclinic: $P\stackrel{\mathrm{‾}}{\mathrm{1}}$; structure determined

• a= 8.1516(9), b= 25.545(3), c= 28.899(3) Å, α= 74.665(8), β= 85.665(8), γ= 80.538(9)°

• 3.491(100), 3.351(66), 3.275(63), 3.174(75), 2.942(65), 2.872(94), 2.854(97), 2.038(98)

• Type material is deposited in the collections of the Mineralogisch-Petrographische Abteilung, Naturhistorisches Museum, Burgring 7, 1010 Vienna, Austria, catalogue number O 3264

• How to cite: Topa, D., Stoeger, B., Keutsch, F., and Stanley, C.: Lechnerite, IMA 2024-075, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-077

• Johnjamborite

• Pb₁₄Sb_8.5As_7.5S₃₈

• Jjb

• Madoc, Ontario, Canada

• Dan Topa^*, Berthold Stoeger, Alexander Virovets, Frank Keutsch, and Chris Stanley

• ^* E-mail: dan.topa@nhm-wien.ac.at

• Sartorite homologous series

• Triclinic: $P\stackrel{\mathrm{‾}}{\mathrm{1}}$; structure determined

• a= 31.7535(1), b= 8.39262(3), c= 50.2412(2) Å, α= 90.0281(3), β= 102.2277(3), γ= 89.7075(3)°

• 3.804(60), 3.801(56), 3.273(99), 3.036(53), 2.928(52), 2.380(61), 2.378(59), 2.098(100)

• Type material is deposited in the collections of the Canadian Museum of Nature, 240 McLeod Street, Ottawa, ON K2P 2R1, Canada, catalogue number CMNMC 92311 (holotype), and the Mineralogisch-Petrographische Abteilung, Naturhistorisches Museum, Burgring 7, 1010 Vienna, Austria, catalogue number O 3114 (cotype)

• How to cite: Topa, D., Stoeger, B., Virovets, A., Keutsch, F., and Stanley, C.: Johnjamborite, IMA 2024-077, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-079

• Sugarwhiteite

• Pb₂Te₅O₁₂

• Sgw

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

• Hexiong Yang^*, Anthony R. Kampf, Robert A. Jenkins, Ronald B. Gibbs, and Robert T. Downs

• ^* E-mail: hyang@arizona.edu

• New structure type

• Monoclinic: P2₁/c; structure determined

• a= 13.9531(2), b= 7.4352(1), c= 12.3446(2) Å, β= 105.1575(6)°

• 3.360(62), 3.165(100), 3.047(74), 2.866(32), 2.697(26), 2.007(20), 1.833(23), 1.690(31)

• 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. 22740 (holotype), and the RRUFF Project, deposition no. R240013 (cotype)

• How to cite: Yang, H., Kampf, A. R., Jenkins, R. A., Gibbs, R. G., and Downs, R. T.: Sugarwhiteite, IMA 2024-079, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-074

• Stillwellite-(La)

• LaBSiO₅

• Swl-La

• Gejiu intrusion, Honghe Hani and Yi Autonomous Prefecture, Yunnan Province, China (23°29^′40^′′ N, 103°04^′41^′′ E)

• Kai Qu^*, Guochen Dong, Guang Fan, Xiangping Gu, Junping Ren, Alei Gu, Hang Zhang, and Yanjuan Wang

• ^* E-mail: qukai_tcgs@foxmail.com

• The lanthanum analogue of stillwellite-(Ce)

• Trigonal: P3₂21; structure determined

• a= 6.9061(5), c= 6.7549(5) Å

• 4.451(100), 3.465(57), 2.951(97), 2.749(17), 2.427(17), 2.254(28), 2.148(28), 1.885(37)

• Type material is deposited in the collections of the Geological Museum of China, No. 16, Yangrou Hutong, Xisi, Beijing 100031, People's Republic of China, catalogue number GMCTM2024010

• How to cite: Qu, K., Dong, G., Fan, G., Gu, X., Ren, J., Gu, A., Zhang, H., and Wang, Y.: Stillwellite-(La), IMA 2024-074, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-076

• Morleyite

• Ag₂CuPb₂₅Sb₂₄As₄S_68.5

• Myt

• Taylor Pit, Madoc, Hastings County, Ontario, Canada (44°30^′07^′′ N, 77°27^′59^′′ W)

• Dan Topa^*, Berthold Stoeger, Frank Keutsch, and Chris Stanley

• ^* E-mail: dan.topa@nhm-wien.ac.at

• New structure type

• Triclinic: $P\stackrel{\mathrm{‾}}{\mathrm{1}}$; structure determined

• a= 8.2568(2), b= 27.8758(7), c= 29.9824(7) Å, α= 64.626(2), β= 81.941(2), γ= 89.565(2)°

• 3.983(30), 3.484(100), 3.421(95), 3.305(68), 2.897(38), 2.894(39), 2.852(27), 2.833(33)

• Type material is deposited in the collections of the Canadian Museum of Nature, 240 McLeod Street, Ottawa, Canada, catalogue number CMNMC 92312 (holotype), and the Mineralogisch-Petrographische Abteilung, Naturhistorisches Museum, Burgring 7, 1010 Vienna, Austria, catalogue number O 3113 (cotype)

• How to cite: Topa, D., Stoeger, B., Keutsch, F., and Stanley, C.: Morleyite, IMA 2024-076, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-080

• Ferroåkermanite

• Ca₂FeSi₂O₇

• Fåk

• Hatrurim Basin, between Zohar and Halamish wadies, Hatrurim Complex, Israel (31°21'25^′′ N, 35°04'22^′′ E)

• Rafał Juroszek^*, Biljana Krüger, Yevgeny Vapnik, and Evgeny Galuskin

• ^* E-mail: rafal.juroszek@us.edu.pl

• Melilite group

• Tetragonal: $P\stackrel{\mathrm{‾}}{\mathrm{4}}$2₁m; structure determined

• a= 7.7813(7), c= 5.0114(5) Å

• 5.011(25), 3.705(19), 3.073(78), 2.858(100), 2.461(53), 2.304(14), 1.756(20), 1.740(16)

• Type material is deposited in the collections of the Natural History Museum Mainz, State Collection of Natural History, Rhineland-Palatinate, Reichklarastrasse 10, 55116 Mainz, Germany, inventory number M_202400054

• How to cite: Juroszek, R., Krüger, B., Vapnik, Y., and Galuskin, E.: Ferroåkermanite, IMA 2024-080, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-081

• Morningstarite

• Na(W_2.67Fe${}_{\mathrm{0.33}}^{\mathrm{3}+}$)O₉ ⋅ H₂O

• Mnsr

• From the dumps of the Morning Star extended workings, Bamford Hill mines, Bamford, Mareeba Shire, Queensland, Australia (17°18^′35^′′ S, 144°55^′27^′′ E)

• Peter Elliott, Ian E. Grey^*, Anthony R. Kampf, and Colin M. MacRae

• ^* E-mail: ian.grey@csiro.au

• Isostructural with wumuite

• Hexagonal: P6/mmm; structure determined

• a= 7.3012(2), c= 3.8963(1) Å

• 6.318(21), 3.912(46), 3.169(100), 2.463(43), 1.830(33), 1.661(43), 1.586(19), 1.468(18)

• Type material is deposited in the collections of the South Australian Museum, North Terrace, Adelaide 5000, South Australia, Australia, catalogue number G35466 (holotype), and the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, catalogue number 76453 (cotype)

• How to cite: Elliott, P., Grey, I. E., Kampf, A. R., and MacRae, C. M.: Morningstarite, IMA 2024-081, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-082

• Guastoniite-(Y)

• Pb₄(YCa)(Si₈B₄O₂₈)F

• Gsn-Y

• Moraine of Dara-i-Pioz glacier, Alai mountain range, Tien Shan, Rashtskiy (formerly Garmskiy) district, Tajikistan (39°30^′ N, 70°40^′ E)

• Atali A. Agakhanov, Fabrizio Nestola^*, Elena Sokolova, Radek Škoda, Leonid A. Pautov, Vladimir Y. Karpenko, Frank C. Hawthorne, Igor V. Pekov, Anatoly V. Kasatkin, Vitaliya À. Àgakhanova, Sergey N. Britvin, and Simone Molinari

• ^* E-mail: fabrizio.nestola@unipd.it

• Hyalotekite group

• Triclinic: $I\stackrel{\mathrm{‾}}{\mathrm{1}}$; structure determined

• a= 11.114(2), b= 10.818(2), c= 11.133(2) Å, α= 90.43(3), β= 90.03(3), γ= 90.01(3)°

• 7.76(100), 7.46(63), 3.74(95), 3.70(60), 3.48(68), 3.40(54), 2.93(40), 2.59(37)

• 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 6206/1

• How to cite: Agakhanov, A. A., Nestola, F., Sokolova, E., Škoda, R., Pautov, L. A., Karpenko, V. Y., Hawthorne, F. C., Pekov, I. V., Kasatkin, A. V., Àgakhanova, V. A., Britvin, S. N., and Molinari, S.: Guastoniite-(Y), IMA 2024-082, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-083

• Macivorite

• (NH₄)₃Al₅(PO₃OH)₆(PO₄)₂ ⋅ 18H₂O

• Mvr

• Skipton Caves, Mount Widderin, Skipton, Corangamite Shire, Victoria, Australia (37°44^′12^′′ S, 143°20^′52^′′ E)

• Peter Elliott^*, Anthony R. Kampf, and Benjamin P. Wade

• ^* E-mail: peter.elliott@adelaide.edu.au

• The ammonium analogue of taranakite

• Trigonal: $R\stackrel{\mathrm{‾}}{\mathrm{3}}c$; structure determined

• a= 8.785(1), c= 95.207(7) Å

• 15.86(100), 7.88(45), 7.45(39), 5.97(27), 4.36(32), 3.854(29), 3.157(23), 2.640(22)

• Type material is deposited in the collections of the South Australian Museum, North Terrace, Adelaide 5000, South Australia, Australia, registration number G35467

• How to cite: Elliott, P., Kampf, A. R., and Wade, B. P.: Macivorite, IMA 2024-083, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-084

• Magselite

• [Mg(H₂O)₆](Se⁴⁺O₃)

• Mgsl

• Pickett Corral mine (Pickett Corral #4), Montrose Co., Colorado, USA (38°11^′50.0^′′ N, 108°50^′30.0^′′ W)

• Christopher Emproto^*, Travis A. Olds, Anthony R. Kampf, Chi Ma, and Joe Marty

• ^* E-mail: emprotoc@carnegiemnh.org

• Known synthetic analogue

• Trigonal: R3; structure determined

• a= 8.9663(2), c= 8.9400(3) Å

• 5.862(27), 4.483(100), 3.874(75), 2.931(40), 2.788(52), 2.453(38), 1.940(33), 1.778(32)

• Type material is deposited in the collections of the Carnegie Museum of Natural History, Forbes Avenue, Pittsburgh, PA 15213, USA, catalogue number CM34763

• How to cite: Emproto, C., Olds, T. A., Kampf, A. R., Ma, C., and Marty, J.: Magselite, IMA 2024-084, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-086

• Anatolygurbanovite

• SrCa₂Si₃O₉

• Agb

• Xenolith no. 7, Upper Chegem Caldera, North Caucasus, Kabardino-Balkaria, Russia (43°17^′ N, 43°06^′ E)

• Evgeny Galuskin^*, Joachim Kusz, Irina Galuskina, Maria Książek, Viktor Gazeev, and Grzegorz Zieliński

• ^* E-mail: evgeny.galuskin@us.edu.pl

• Margarosanite group

• Triclinic: $P\stackrel{\mathrm{‾}}{\mathrm{1}}$; structure determined

• a= 6.7085(6), b= 9.4767(9), c= 6.7041(6) Å, α= 70.100(8), β= 102.834(7), γ= 96.844(7)°

• 3.192(35), 3.153(28), 3.115(30), 3.043(58), 3.032(53), 3.021(36), 2.967(100), 2.621(31)

• 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 6208/1

• How to cite: Galuskin, E., Kusz, J., Galuskina, I., Książek, M., Gazeev, V., and Zieliński, G.: Anatolygurbanovite, IMA 2024-086, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-088

• Cadsulfohite

• Cd₂(SO₄)(OH)₂

• Cdso

• Tsumeb mine, Oshikoto, Namibia (19°13^′37^′′ S, 17°43^′39^′′ E)

• Christopher Emproto^*, Travis A. Olds, Anthony R. Kampf, Chi Ma, and Joy Désor

• ^* E-mail: emprotoc@carnegiemnh.org

• Known synthetic analogue

• Monoclinic: P2₁/n; structure determined

• a= 6.9035(6), b= 7.5844(7), c= 9.9836(10) Å, β= 97.225(5)°

• 5.070(44), 4.685(59), 4.328(26), 3.780(21), 3.065(45), 3.006(100), 2.665(44), 2.527(28)

• Type material is deposited in the collections of the Mineralogical & Geological Museum, Harvard University, 26 Oxford St, Cambridge, MA 02138, USA, catalogue number MGMH#2024.11

• How to cite: Emproto, C., Olds, T. A., Kampf, A. R., Ma, C., and Désor, J.: Cadsulfohite, IMA 2024-088, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-089

• Brunovskyite

• NaZrSi₂O₆(OH)

• Bvs

• Mt. Takhtarvumchorr, Khibiny alkaline massif, Kola Peninsula, Russia (67°39^′55.9^′′ N, 33°33^′15.9^′′ E)

• Taras L. Panikorovskii^*, Victor N. Yakovenchuk, Ayya V. Bazai, Vladimir N. Bocharov, Olga F. Goychuk, and Sergey V. Krivovichev

• ^* E-mail: t.panikorovskii@ksc.ru

• Chemically related to keldyshite

• Triclinic: $P\stackrel{\mathrm{‾}}{\mathrm{1}}$; structure determined

• a= 5.5471(7), b= 7.1799(8), c= 7.6083(11) Å, α= 64.93(1), β= 81.72(1), γ= 89.23(1)°

• 6.50(94), 6.22(47), 4.31(28), 3.94(73), 3.41(98), 3.03(100), 2.976(77), 2.744(36)

• Type material is deposited in the collections of the Mineralogical Museum, St. Petersburg State University, 7–9 Universitetskaya Emb., St. Petersburg 199034, Russia, catalogue no. 19657

• How to cite: Panikorovskii, T. L., Yakovenchuk, V. N., Bazai, A. B., Bocharov, V. N., Goychuk, O. F., and Krivovichev, S. V.: Brunovskyite, IMA 2024-089, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA no. 2024-091

• Xianhuaite-(Ce)

• K₂CeNb₅O₁₅

• Xhu-Ce

• Bayan Obo deposit, East Pit, Inner Mongolia, China (41°48^′01^′′ N, 109°59^′39^′′ E)

• Bo Yang, Li Yang, Yuan Xue, Ningyue Sun, Guowu Li^*, Junfang Yu, Guoying Yan, Jianyong Liu, Yonggang Zhao, Wenxiang Meng, Zhenyu Chen, Lei Chen, Ze Liu, Zhao Yan, and Xin Ao

• ^* E-mail: liguowu@cugb.edu.cn

• New structure type

• Tetragonal: P4/mbm; structure determined

• a= 12.5355(4), c= 3.9213(2) Å

• 3.915(25), 3.469(28), 3.208(61), 3.034(53), 2.931(40), 2.785(100), 2.595(24), 1.960(44)

• Type material is deposited in the collections of the Geological Museum of China, No. 15, Yangrou Hutong, Xisi, Xicheng District, Beijing, People's Republic of China, catalogue no. GMCTM2024012 (holotype), and the Crystal Structure Laboratory, China University of Geosciences, Beijing 100083, People's Republic of China, catalogue no. BYEB-3 (cotype)

• How to cite: Yang, B., Yang, L., Xue, Y., Sun, N., Li, G., Yu, J., Yan, G., Liu, J., Zhao, Y., Meng, W., Chen, Z., Chen, L., Liu, Z., Yan, Z., and Ao, X.: Xianhuaite-(Ce), IMA 2024-091, in: CNMNC Newsletter 84, Eur. J. Mineral., 37, https://doi.org/10.5194/ejm-37-249-2025, 2025.

IMA 24-F: definition of neotype material for simonellite, C₁₉H₂₄

(Daniela Mauro and Cristian Biagioni)

Proposal 24-F is accepted, and a neotype sample is defined for simonellite. The type locality is the lignite deposit of Fognano, in the Montepulciano municipality, Siena Province, Tuscany, Italy. Neotype material is deposited in the mineralogical collection of the Museo di Storia Naturale of the University of Pisa, Italy, under catalogue number 20079.

Not yet published new minerals

We list here those new minerals that have been approved by the CNMNC for more than 5 years and have not yet been published. According to our guidelines any new mineral should be published within 2 years of its approval; otherwise it may be withdrawn. Authors are encouraged to fill the gaps in the mineralogical systematics for which they are responsible as soon as possible. The entries are sorted by date and have the following format:

• Date of approval: mineral (corresponding author)

• Dec 2012: erzwiesite (Dan Topa)

• Dec 2012: lopatkaite (Dan Topa)

• Feb 2013: arsenquatrandorite (Dan Topa)

• Nov 2013: caesiumpharmacosiderite (Stuart J. Mills)

• Dec 2013: strontiopharmacosiderite (Stuart J. Mills)

• Mar 2014: thalliumpharmacosiderite (Mike Rumsey)

• May 2014: spaltiite (Stefan Graeser)

• Jul 2014: keutschite (Dan Topa)

• Jul 2014: znamenskyite (Ilya V. Chaplygin)

• Nov 2014: hedegaardite (Thomas Witzke)

• Nov 2014: lefontite (Hexiong Yang)

• Aug 2015: lislkirchnerite (Herta S. Effenberger)

• Jan 2016: marklite (Jakub Plášil)

• Jan 2016: zincobriartite (Andy McDonald)

• Feb 2016: verbierite (Nicolas Meisser)

• Mar 2016: kalgoorlieite (Kirsten Rempel)

• Apr 2016: braunerite (Jakub Plášil)

• Jun 2016: marinaite (Ilya V. Chaplygin)

• Aug 2016: argentodufrénoysite (Dan Topa)

• Aug 2016: incomsartorite (Dan Topa)

• Aug 2016: fleisstalite (Hans-Peter Bojar)

• Aug 2016: khorixasite (Stuart J. Mills)

• Sep 2016: molinelloite (Uwe Kolitsch)

• Nov 2016: magnesiohatertite (Igor V. Pekov)

• Mar 2017: lagalyite (Thomas Witzke)

• Apr 2017: betpakdalite-FeFe (Stuart J. Mills)

• Aug 2017: gorbunovite (Atali A. Agakhanov)

• Aug 2017: zoharite (Irina O. Galuskina)

• Oct 2017: dekatriasartorite (Dan Topa)

• Nov 2017: wuyanzhiite (Xiangping Gu)

• May 2018: achyrophanite (Igor V. Pekov)

• Apr 2018: vaniniite (Nicolas Meisser)

• Oct 2018: ekebergite (Johan Kjellman)

• Oct 2018: ramaccioniite (Christian Lengauer)

• Nov 2018: escheite (Fernando Cámara)

• Jan 2019: llantenesite (Christian Lengauer)

• Apr 2019: scorticoite (Cristian Biagioni)

• Jun 2019: gmalimite (Irina O. Galuskina)

• Jun 2019: sangenaroite (Dan Topa)

• Oct 2019: drechslerite (Dan Topa)

• Oct 2019: esdanaite-(Ce) (Thomas E. Gore)

• Oct 2019: grokhovskyite (Victor V. Sharygin)

• Oct 2019: polyarsite (Igor V. Pekov)

• Nov 2019: suenoite (Cristian Biagioni)