American Mineralogist

Volume 110, Issue no. 09 : September 2025

Letter

MSA Presidential Address

1   MSA at 100 and why optical mineralogy still matters: The optical properties of talc
Mickey E. Gunter
REGULAR ARTICLES

1343 Formation and transformation of clay minerals in Marsanalog rock varnish
Qian Fang, Yan Li, Hongrui Ding, Liao Yang, Hanlie Hong, Zhong-Qiang Chen, Anbei Deng, Qile Geng, and Anhuai Lu

Abstract     Members Full Text Download      

1361 Reconstructing volatile evolution in melts using zirconhosted apatite inclusions: Implications for the use of apatite as a fertility indicator
Qiang Li, Xiang Sun, Jun Deng, Yunzhao Ge, Xiaobo Si, Xu Zheng, and Pete Hollings

Abstract     Members Full Text Download           Deposit Item

1382 Vesuvianite as a key tool for the reconstruction of skarn formation conditions: An example from the Sauce Chico Complex, Argentina
Carlos A. Ballivián Justiniano, Maricel G. Rodríguez, Taras L. Panikorovskii, Manuela E. Benítez, Clemente Recio, Cinthia P. Ramos, Mabel E. Lanfranchini, and Florencia Di Salvo

Abstract     Members Full Text Download           Deposit Item

1399 Germanium oxidation state and substitution mechanism in Ge-rich sphalerite from MVT deposits: Constraints from X-ray absorption fine structure (XAFS) and geometric optimization
Pan-Pan Niu, Shao-Yong Jiang, Manuel Muñoz, Clément Bonnet, Olivier Mathon, Marie-Christine Boiron, Hai-Zhen Wei, and Suo-Fei Xiong

Abstract     Members Full Text Download           Deposit Item

1415 Enrichment mechanism of heavy rare earth elements in magmatic-hydrothermal titanite: Insights from SXAS/XPS experiments and first-principles calculations and implications for regolith-hosted HREE deposits
Yuzhou Feng, Huayong Chen, Huiyao Kuang, Rucao Li, Bing Xiao, Chao Wu, Hui Zheng, Renfei Feng, Mohsen Shakouri, and Yuanming Pan

Abstract     Members Full Text Download           Deposit Item

1428 Thorite: An oddity in phase stability among the zirconstructured orthosilicates at high pressures
Andrew C. Strzelecki, Jason L. Baker, Stella Chariton, Xiaodong Zhao, Vitali Prakapenka, David Bollinger, Sohan Ahmed, Jeffrey Fortner, Stephanie Szenknect, Adel Mesbah, John S. McCloy, Choong-Shik Yoo, Rodney C. Ewing, Nicolas Dacheux, Hongwu Xu, and Xiaofeng Guo

Abstract     Members Full Text Download           Deposit Item

1437 High P-T single-crystal elasticity of zircon by Brillouin spectroscopy
Arlacee Luu, Wen-Yi Zhou, Xin Zhong, Ming Hao, Przemyslaw Dera, and Jin S. Zhang

Abstract     Members Full Text Download           Deposit Item

1446 Berndlehmannite: A new V-bearing sulfide mineral from the black-shale-hosted Zhongcun vanadium deposit, South China
Xuerui Fu, Guowu Li, Lingang Xu, Yuan Xue, Ningyue Sun, Jinhua Hao, Wei Jian, Hao Yan, Huishou Ye, Jianhua Ding, and Peng Yuan

Abstract     Members Full Text Download           Deposit Item

1454 In situ Raman spectroscopic investigation on the phase transition of grunerite at high pressures
Zhi Zheng, Shaohao Zou, Chuanjun Wu, and Shenghua Mei

Abstract     Members Full Text Download      

1462 Silicate liquid immiscibility in the Chang'e 5 lunar mare magmas: Constraints on the petrogenesis of lunar granitic rocks
Le Zhang, Ya-Nan Yang, Jintuan Wang, Ze-Xian Cui, Cheng-Yuan Wang, Peng-Li He, Yan-Qiang Zhang, Mang Lin, and Yi-Gang Xu

Abstract     Members Full Text Download           Deposit Item

1472 The high-pressure, vacancy-stabilized component in clinopyroxenes
Ioannis Baziotis, Chi Ma, Stephan Klemme, Jasper Berndt, Oliver Tschauner, and Paul D. Asimow

Abstract     Members Full Text Download           Deposit Item

1481 Lianbinite, (NH4)(C2H3O3)(C2H4O3), a new glycolate mineral from the Santa Catalina Mountains, Tucson, Arizona, U.S.A.
Hexiong Yang, Xiangping Gu, Warren Lazar, Ronald B. Gibbs, and Robert T. Downs

Abstract     Members Full Text Download           Deposit Item

1488 Mariakrite, [Ca4Al2l(OH)12(H2O)4][Fe2S4]: A new mineral and the first layered double hydroxide intercalated with dithioferrate (iron disulfide) chains
Mikhail N. Murashko, Yevgeny Vapnik, Natalia S. Vlasenko, Oleg S. Vereshchagin, Yulia S. Shelukhina, Igor V. Pekov, and Sergey N. Britvin

Abstract     Members Full Text Download           Deposit Item

Supplements

Welcome to MSA/American Mineralogist Supplemental Materials. These are free to all readers. Discover extra tables, supplemental data, CIFs, appendices, extra figures, and in the future “methods sections”. To find previous issues, go to that Table of Contents and click on the link. We ask that all materials be cited so that credit is given to the authors and American Mineralogist. The pure datasets are not copyrightable. All other material is copyrighted by the authors.

American Mineralogist      Vol. 107, no. 1   January 2022

15    Boron isotope compositions establish the origin of marble from metamorphic complexes: Québec, New York, and Sri Lanka
Corinne Kuebler, Antonio Simonetti, Stefanie S. Simonetti, and Robert F. Martin

Item #AM-22-17811
Online Material
AM-22-17811.zip zipped


31    Celleriite, (Mn22+Al)Al6(Si6O18)(BO3)3(OH)3(OH), a new mineral species of the tourmaline supergroup
Ferdinando Bosi, Federico Pezzotta, Alessandra Altieri, Giovanni B. Andreozzi, Paolo Ballirano, Gioacchino Tempesta, Jan Cempírek, Radek Škoda, Jan Filip, Renata Čopjaková, Milan Novák, Anthony R. Kampf, Emily D. Scribner, Lee A. Groat, and R. James Evans
Item #AM-22-17818
CIF and Online Material
AM-22-17818.zip zipped


54    Incorporation of incompatible trace elements into molybdenite: Layered PbS precipitates within molybdenite
Yiping Yang, Hongping He, Wei Tan, Qi Tao, Junming Yao, Haiyang Xian, Shangying Li, Jiaxin Xi, Jianxi Zhu, and Huifang Xu
Item #AM-22-17609
Online Material
AM-22-17609.zip zipped


74    Thermoelastic properties of zircon: Implications for geothermobarometry
Alix M. Ehlers, Gabriele Zaffiro, Ross J. Angel, Tiziana Boffa-Ballaran, Michael A. Carpenter, Matteo Alvaro, and Nancy L. Ross

Item #AM-22-17731
Online Material
AM-22-17731.zip zipped


82    A Rayleigh model of cesium fractionation in granite-pegmatite systems
David London
Item #AM-22-17855
Online Material
AM-22-17855.zip zipped


92    The atomic arrangement and electronic interactions in vonsenite at 295, 100, and 90 K
Marc Maderazzo, John M. Hughes, M. Darby Dyar, George R. Rossman, Brandon J. Ackley, Elizabeth C. Sklute, Marian V. Lupulescu, and Jeffrey Chiarenzelli
Item #AM-22-17851
CIF and Online Material
AM-22-17851.zip zipped


100    Oxalate formation by Aspergillus niger on minerals of manganese ores
Olga Frank-Kamenetskaya, Marina Zelenskaya, Alina Izatulina, Vladislav Gurzhiy, Aleksei Rusakov, and Dmitry Vlasov
Item #AM-22-17651
CIF and Online Material
AM-22-17651.zip zipped


116    Mesoproterozoic seafloor authigenic glauconite-berthierine: Indicator of enhanced reverse weathering on early Earth
Jianbai Ma, Xiaoying Shi, Maxwell Lechte, Xiqiang Zhou, Zhenfei Wang, Kangjun Huang, Maxim Rudmin, and Dongjie Tang
Item #AM-22-17904
Online Material
AM-22-17904.zip zipped


131    Chemical variability in vyacheslavite, U(PO4)(OH): Crystal-chemical implications for hydrous and hydroxylated U4+, Ca, and REE phosphates
Gwladys Steciuk, Radek Škoda, Veronika Dillingerová, and Jakub Plášil
Item #AM-22-17875
CIF and Online Material
AM-22-17875.zip zipped


138    Bennesherite, Ba2Fe2+Si2O7: A new melilite group mineral from the Hatrurim Basin, Negev Desert, Israel
Arkadiusz Krzątała, Biljana Krüger, Irina Galuskina, Yevgeny Vapnik, and Evgeny Galuskin
Item #AM-22-17747
CIF and Online Material
AM-22-17747.zip zipped


147    Single-crystal elasticity of phase Egg AlSiO3OH and δ-AlOOH by Brillouin spectroscopy
Baoyun Wang, Yanyao Zhang, Suyu Fu, Wei Yan, Eiichi Takahashi, Li Li, Jung-Fu Lin, and Maoshuang Song

Item #AM-22-18056
CIF and Online Material
AM-22-18056.zip zipped

HIGHLIGHTS AND BREAKTHROUGHS

1341

Revisiting the importance of clay minerals in rock varnish
Ronald I. Dorn

Abstract     Members Full Text Download      

Regular Article

1343

Formation and transformation of clay minerals in Marsanalog rock varnish
Qian Fang, Yan Li, Hongrui Ding, Liao Yang, Hanlie Hong, Zhong-Qiang Chen, Anbei Deng, Qile Geng, and Anhuai Lu

Abstract     Members Full Text Download      

1361

Reconstructing volatile evolution in melts using zirconhosted apatite inclusions: Implications for the use of apatite as a fertility indicator
Qiang Li, Xiang Sun, Jun Deng, Yunzhao Ge, Xiaobo Si, Xu Zheng, and Pete Hollings

Abstract     Members Full Text Download           Deposit Item

1382

Vesuvianite as a key tool for the reconstruction of skarn formation conditions: An example from the Sauce Chico Complex, Argentina
Carlos A. Ballivián Justiniano, Maricel G. Rodríguez, Taras L. Panikorovskii,
Manuela E. Benítez, Clemente Recio, Cinthia P. Ramos, Mabel E. Lanfranchini,
and Florencia Di Salvo

Abstract     Members Full Text Download           Deposit Item

1399

Germanium oxidation state and substitution mechanism in Ge-rich sphalerite from MVT deposits: Constraints from X-ray absorption fine structure (XAFS) and geometric optimization
Pan-Pan Niu, Shao-Yong Jiang, Manuel Muñoz, Clément Bonnet, Olivier Mathon, Marie-Christine Boiron, Hai-Zhen Wei, and Suo-Fei Xiong

Abstract     Members Full Text Download           Deposit Item

1415

Enrichment mechanism of heavy rare earth elements in magmatic-hydrothermal titanite: Insights from SXAS/XPS experiments and first-principles calculations and implications for regolith-hosted HREE deposits
Yuzhou Feng, Huayong Chen, Huiyao Kuang, Rucao Li, Bing Xiao, Chao Wu, Hui Zheng, Renfei Feng, Mohsen Shakouri, and Yuanming Pan

Abstract     Members Full Text Download           Deposit Item

1428

Thorite: An oddity in phase stability among the zirconstructured orthosilicates at high pressures
Andrew C. Strzelecki, Jason L. Baker, Stella Chariton, Xiaodong Zhao, Vitali Prakapenka, David Bollinger, Sohan Ahmed, Jeffrey Fortner, Stephanie Szenknect, Adel Mesbah, John S. McCloy, Choong-Shik Yoo, Rodney C. Ewing, Nicolas Dacheux, Hongwu Xu, and Xiaofeng Guo

Abstract     Members Full Text Download           Deposit Item

1437

High P-T single-crystal elasticity of zircon by Brillouin spectroscopy
Arlacee Luu, Wen-Yi Zhou, Xin Zhong, Ming Hao, Przemyslaw Dera, and Jin S. Zhang

Abstract     Members Full Text Download           Deposit Item

1446

Berndlehmannite: A new V-bearing sulfide mineral from the black-shale-hosted Zhongcun vanadium deposit, South China
Xuerui Fu, Guowu Li, Lingang Xu, Yuan Xue, Ningyue Sun, Jinhua Hao, Wei Jian, Hao Yan, Huishou Ye, Jianhua Ding, and Peng Yuan

Abstract     Members Full Text Download           Deposit Item

1454

In situ Raman spectroscopic investigation on the phase transition of grunerite at high pressures
Zhi Zheng, Shaohao Zou, Chuanjun Wu, and Shenghua Mei

Abstract     Members Full Text Download      

1462

Silicate liquid immiscibility in the Chang’e 5 lunar mare magmas: Constraints on the petrogenesis of lunar granitic rocks
Le Zhang, Ya-Nan Yang, Jintuan Wang, Ze-Xian Cui, Cheng-Yuan Wang, Peng-Li He, Yan-Qiang Zhang, Mang Lin, and Yi-Gang Xu

Abstract     Members Full Text Download           Deposit Item

1472

The high-pressure, vacancy-stabilized component in clinopyroxenes
Ioannis Baziotis, Chi Ma, Stephan Klemme, Jasper Berndt, Oliver Tschauner, and Paul D. Asimow

Abstract     Members Full Text Download           Deposit Item

1481

Lianbinite, (NH4)(C2H3O3)(C2H4O3), a new glycolate mineral from the Santa Catalina Mountains, Tucson, Arizona, U.S.A.
Hexiong Yang, Xiangping Gu, Warren Lazar, Ronald B. Gibbs, and Robert T. Downs

Abstract     Members Full Text Download           Deposit Item

1488

Mariakrite, [Ca4Al2l(OH)12(H2O)4][Fe2S4]: A new mineral and the first layered double hydroxide intercalated with dithioferrate (iron disulfide) chains
Mikhail N. Murashko, Yevgeny Vapnik, Natalia S. Vlasenko, Oleg S. Vereshchagin, Yulia S. Shelukhina, Igor V. Pekov, and Sergey N. Britvin

Abstract     Members Full Text Download           Deposit Item

NEW MINERAL NAMES

1498

NEW MINERAL NAMES

Full Text     

BOOK REVIEW

1503

BOOK REVIEW

Full Text     

DEPOSIT ITEMS

1361

Reconstructing volatile evolution in melts using zirconhosted apatite inclusions: Implications for the use of apatite as a fertility indicator
Qiang Li, Xiang Sun, Jun Deng, Yunzhao Ge, Xiaobo Si, Xu Zheng, and Pete Hollings

Item#: AM-25-99561
Online Material
AM-25-99561.zip zipped

1382

Vesuvianite as a key tool for the reconstruction of skarn formation conditions: An example from the Sauce Chico Complex, Argentina
Carlos A. Ballivián Justiniano, Maricel G. Rodríguez, Taras L. Panikorovskii,
Manuela E. Benítez, Clemente Recio, Cinthia P. Ramos, Mabel E. Lanfranchini,
and Florencia Di Salvo

Item#: AM-25-99588
Online Material and CIF
AM-25-99588.zip zipped

1399

Germanium oxidation state and substitution mechanism in Ge-rich sphalerite from MVT deposits: Constraints from X-ray absorption fine structure (XAFS) and geometric optimization
Pan-Pan Niu, Shao-Yong Jiang, Manuel Muñoz, Clément Bonnet, Olivier Mathon, Marie-Christine Boiron, Hai-Zhen Wei, and Suo-Fei Xiong

Item#: AM-25-99485
Online Material
AM-25-99485.zip zipped

1415

Enrichment mechanism of heavy rare earth elements in magmatic-hydrothermal titanite: Insights from SXAS/XPS experiments and first-principles calculations and implications for regolith-hosted HREE deposits
Yuzhou Feng, Huayong Chen, Huiyao Kuang, Rucao Li, Bing Xiao, Chao Wu, Hui Zheng, Renfei Feng, Mohsen Shakouri, and Yuanming Pan

Item#: AM-25-99645
Online Material
AM-25-99645.zip zipped

1428

Thorite: An oddity in phase stability among the zirconstructured orthosilicates at high pressures
Andrew C. Strzelecki, Jason L. Baker, Stella Chariton, Xiaodong Zhao, Vitali Prakapenka, David Bollinger, Sohan Ahmed, Jeffrey Fortner, Stephanie Szenknect, Adel Mesbah, John S. McCloy, Choong-Shik Yoo, Rodney C. Ewing, Nicolas Dacheux, Hongwu Xu, and Xiaofeng Guo

Item#: AM-25-99443
Online Material and CIF
AM-25-99443.zip zipped

1437

High P-T single-crystal elasticity of zircon by Brillouin spectroscopy
Arlacee Luu, Wen-Yi Zhou, Xin Zhong, Ming Hao, Przemyslaw Dera, and Jin S. Zhang

Item#: AM-25-99458
Online Material
AM-25-99458.zip zipped

1446

Berndlehmannite: A new V-bearing sulfide mineral from the black-shale-hosted Zhongcun vanadium deposit, South China
Xuerui Fu, Guowu Li, Lingang Xu, Yuan Xue, Ningyue Sun, Jinhua Hao, Wei Jian, Hao Yan, Huishou Ye, Jianhua Ding, and Peng Yuan

Item#: AM-25-99541
Online Material and CIF
AM-25-99541.zip zipped

1462

Silicate liquid immiscibility in the Chang’e 5 lunar mare magmas: Constraints on the petrogenesis of lunar granitic rocks
Le Zhang, Ya-Nan Yang, Jintuan Wang, Ze-Xian Cui, Cheng-Yuan Wang, Peng-Li He, Yan-Qiang Zhang, Mang Lin, and Yi-Gang Xu

Item#: AM-25-99577
Online Material
AM-25-99577.zip zipped

1472

The high-pressure, vacancy-stabilized component in clinopyroxenes
Ioannis Baziotis, Chi Ma, Stephan Klemme, Jasper Berndt, Oliver Tschauner, and Paul D. Asimow

Item#: AM-25-99609
Online Material
AM-25-99609.zip zipped

1481

Lianbinite, (NH4)(C2H3O3)(C2H4O3), a new glycolate mineral from the Santa Catalina Mountains, Tucson, Arizona, U.S.A.
Hexiong Yang, Xiangping Gu, Warren Lazar, Ronald B. Gibbs, and Robert T. Downs

Item#: AM-25-99587
CIF
AM-25-99587.zip zipped

1488

Mariakrite, [Ca4Al2l(OH)12(H2O)4][Fe2S4]: A new mineral and the first layered double hydroxide intercalated with dithioferrate (iron disulfide) chains
Mikhail N. Murashko, Yevgeny Vapnik, Natalia S. Vlasenko, Oleg S. Vereshchagin, Yulia S. Shelukhina, Igor V. Pekov, and Sergey N. Britvin

Item#: AM-25-99624
CIF
AM-25-99624.zip zipped
TABLE OF CONTENTS
&
SPECIAL COLLECTIONS

Table of Contents

AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.

Special Collections

American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.