@mineralsocamerica
Founded in 1919, the MSA’s mission is to diligently work on the advancement of mineralogy, crystallography, geochemistry, petrology, and promotion of their uses in other sciences, industry, and the arts. Website: msaweb.org
American Mineralogist:
Genesis of jordanite-geocronite solid solution series in the Huize Pb-Zn deposit, SW China: Implications for fluid evolution in the late mineralization stage
Songning Meng, et al.
doi.org/10.2138/am-2...
The formation of JGSS involves multiple fluid-mineral interactions.
American Mineralogist:
Molecular-level insights into mechanisms of Li enrichment and occurrence in natural clay-bauxite
Song Yan, et al.
doi.org/10.2138/am-2...
These findings reveal a hydroxyl-mediated structural response to Li enrichment.
Mineral Monday!
Fibrous mackinawite (FeS) found in samples of asteroid Bennu
By Maizey Benner
This mineral provides a key ingredient for the development of bio-essential molecules on Bennu’s parent body.
See: doi.org/10.1016/j.gc... for more.
#MSACommunications #MineralMonday #mackinawite #Bennu
🌍 #FederationFriday: Meet the Mineralogical Society of America!
🏔️ Advancing #Mineralogy, #Crystallography, #Geochemistry & #Petrology.
💎 Explore #MineralMonday & more: msaweb.org
#AmericanGeosciences #FederationFriday #Minerals
American Mineralogist:
How fluids control beryllium mineralization in a magmatic-hydrothermal system: Evidence from mica geochemistry and quartz-beryl O isotopes
Haoran Wu, Hao Yang, Yusheng Zhu, Wenchun Ge, Zheng Ji, Yan Jing, Zhichao Zhang
doi.org/10.2138/am-2...
Thin Section Thursday!
Fe-poor zoned sphalerite crystal in thin section (PPL) - ID verified by microprobe analysis. Photo by Ingrid Kjarsgaard (c)
You can contribute too! Send image(s) and short caption to akoziol1 (at) udayton dot edu. #thinsectionthursday
American Mineralogist:
Kimberlite emplacement conditions through experimentally produced reaction rims on ilmenite macrocrysts
Lydia Fairhurst, Yana Fedortchouk, Michael Powell
doi.org/10.2138/am-2...
American Mineralogist:
The first meteoritic ammonium mineral: Discovery of boussingaultite in the Orgueil CI1 carbonaceous chondrite
Sergey Britvin, Oleg Vereshchagin, Natalia Vlasenko, Maria Krzhizhanovskaya, Marina Ivanova, Irina Volkova
doi.org/10.2138/am-2...
Formula: (NH4)2(Mg,Ni)(SO4)2·6H2O.
Mineral Monday: Mobile- and Stagnant-lid Tectonics on the Hadean Earth
Continents and recycled crust via subduction may have formed earlier than previously thought.
(Valley JW, et al 2026: doi.org/10.1038/s415....
By John Valley
#MSACommunications #MineralMonday #mineral #zircon #Hadean #JackHills
American Mineralogist:
The optics of a possible new interference figure in mineralogy
Isaac Oliveira, Laryssa Carneiro, Lee Groat, Lucilene Dos Santos, Carlos Paschoal, Tereza Neri
doi.org/10.2138/am-2...
T.S. Thursday:
2.8 Ga Granodiorite from the Beartooth Mtns, MT in crossed polars and cathodoluminescence. In CL the red zone between microcline and plagioclase is a fine-grained myrmekite (plagioclase and quartz intergrowths). Contributed by Darrell Henry.
#thinsectionthursday
American Mineralogist:
Quartz-petalite intergrowths in the Yichun pegmatite: Formation from late-stage Li-rich melts and implications for Li mineralization in rare-metal granites
Mingqian Wu, et al.
doi.org/10.2138/am-2...
#petalite
ICDD's JADE software is a comprehensive, industry-standard program for X-ray Diffraction (XRD) pattern processing, visualization, and analysis.
Register now for Wednesday's FREE webinar on WPF/Rietveld Parameters in JADE®
https://www.icdd.com/in-session/
American Mineralogist:
Incongruent melting of garnet during garnet-spinel transition and its implication to the lithospheric exhumation
Dongya Zou, Anping Chen, Hongdan Deng, Xiaoyan Gu, Hongfu Zhang, Huiting Zhang, Yan Tao Hao
doi.org/10.2138/am-2...
#garnet #spinel
Mineral Monday:
The Alfie Norville Gem and Mineral Museum of Tucson Arizona
The Alfie Norville Museum (gemandmineralmuseum.arizona.edu), is housed in the Pima County Courthouse in Tucson AZ.
By Andrea Koziol.
#MSACommunications #MineralMonday #calcite #amethyst #geode #mineralmuseum
American Mineralogist:
New minerals auropolybasite [Ag15AuSb2S11] and auropearceite [Ag15AuAs2S11]: Implications for the formation of bonanza ores in epithermal systems
Tomáš Mikuš, et al.
doi.org/10.2138/am-2...
Had a blast presenting our latest multiphoton work at the inaugural MSA annual meeting in Tucson. What a fantastic conference and community - looking forward to doing it again next year! @mineralsocamerica.bsky.social
Thin Section Thursday!
Blue Osumilite in an ~9 Ma rhyolite lava from Jackson Hole, Wyoming. Plane polarized light. Mineral confirmation by Raman spectroscopy.Contributed by Matt Brueseke. Send image(s) and short caption to akoziol1 (at) udayton dot edu. #thinsectionthursday
American Mineralogist:
Anomalously high REE diaspore formed in bauxite overlying paleokarstic surface
Lei Liu, Yongbo Peng, Xuefei Liu, Qingfei Wang, Xuefei Sun, Lihua Zhao, Wenxia Wang, Rongrong Liang, Jun Deng
doi.org/10.2138/am-2...
American Mineralogist:
Controls on Metal Zonation in Porphyry-Skarn Systems: Evidence from the Tonglvshan Cu Polymetallic Deposit, Eastern China
Xiaolin Wu, Guiqing Xie, Jing Xu, Wenyuan Liu
doi.org/10.2138/am-2...
Mineral Monday:
Why do all Olympic curling stones come from one small island off Scotland’s coast?
www.cnn.com/2026/02/11/s...
Maybe even, fine grained texture, & rare minerals high in sodium and iron — such as arfvedsonite, aegirine and aenigmatite.
#MSACommunications #MineralMonday #Olympics
American Mineralogist:
Fe2+/Fe3+ Intervalence Charge Transfer and Enhanced d-d Absorption in Mixed Valence Iron Minerals at Elevated Temperatures
Helen Evans, George Rossman
doi.org/10.2138/am-2...
has potential implications for the importance of radiative conductivity in the Earth's mantle.
Thin Section Thursday! Feldspar and quartz Cross polarized light. Contributed by Bernhard Seubert.
You can contribute too! Send image(s) and short explanation to akoziol1 at udayton dot edu. #thinsectionthursday
The 44th Annual Tucson Mineral Symposium of the Friends of Mineralogy is on Feb. 14, 2026. It starts at 10am Mountain Time (11 CST, 12EST). See link below. Registration for Zoom attendance ends Thurs. Feb. 12, 2026 at 5pm MT. friendsofmineralogy.org/symposia/202...
You are invited:
MSA is sponsoring "Breakfast with a Mineralogist"(Sunday, February 15, 10-11 am; Tucson Convention Center rooms 102 - 103) of the Tucson Gem and Mineral Show.
American Mineralogist:
Investigating the formation and enrichment processes of the super-large North Sanshandao gold deposit (Jiaodong Peninsula, Eastern China): An in-depth mineralogical perspective
Jian Li, et al.
doi.org/10.2138/am-2...
Welcome to ICDD's XRF Courses! The XRF course is now presented in two separate week-long sessions, each of which stands alone as a complete class. Register and learn more at www.icdd.com/xrf #chemsky
American Mineralogist:
Scandio-fluoro-eckermannite, NaNa2(Mg4Sc)(Si8O22)F2, a new Sc-dominant amphibole-supergroup mineral from the Bayan Obo deposit (China)
Shuang-Liang Liu, et al.
doi.org/10.2138/am-2...
Both the mineral and its name have been approved by the IMA-CNMNC (2024-002).
Mineral Monday: Spessartine Garnets
By Chris Tacker, NC State Museum
Bald Knob is a type locality for several manganese end-member minerals. Hypothesis: a metamorphosed deposit of manganese nodules.
#MSACommunications #MineralMonday #mineral #garnet #Spessartine #Spessartite #Manganese
George Rossman, Caltech professor of mineralogy, emeritus, passed away on February 6, 2026. He was 81.
The unifying theme of his research career was a simple, relatable question: Why do gems and other minerals possess their distinctive colors? He also studied the distribution of water in […]