Mineralogical Society of America
@MinSocAm
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The MSA was founded in 1919 for the advancement of mineralogy, crystallography, geochemistry, petrology, and promotion of their uses in other sciences.
Chantilly VA USA
Joined May 2020
Mineral Monday: Diatoms Diminish Dolomite By Huifang Xu Laboratory syntheses results demonstrate that dissolved silica can catalyze dolomite precipitation. More diatoms = Less dolomite. #MSACommunications #MineralMonday #dolomite #diatoms #sedimentology #chemicalweathering
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American Mineralogist: 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, et al. https://t.co/dt8fVaBqaB
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Thin Section Thursday! Let’s revisit some images sent to me previously by Cody Steven. PPL image of a grain mount of jarosite. Jarosite (KFe3+3(SO4)2(OH)6) forms in acid-sulfate soils, and is a common product of acid-mine drainage. FOV is 2mm. #thinsectionthursday
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American Mineralogist: High P-T single-crystal elasticity of zircon by Brillouin spectroscopy Arlacee Luu, et al. https://t.co/hqqdhssMe3 High incompressibility and stiffness over a range of T suggest zircon could be ideal to estimate entrapment conditions.
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Sept. American Mineralogist: Thorite: An oddity in phase stability among the zircon-structured orthosilicates at high pressures Andrew C. Strzelecki, et al. https://t.co/VBnBNUZ42G Strzelecki et al. report equations of state and bulk moduli derived for these two phases.
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Mineral Monday: GIA Examines the World’s Second Largest Diamond Scientists at the Gemological Institute of America (GIA) had the opportunity to examine a rough diamond weighing 2,488.32 carats—nearly 1.10 pounds (0.498 kilograms) #MSACommunications #MineralMonday #mineralogy
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American Mineralogist: Nanoscale Insights into Weathering of Ti-Bearing Minerals and Heterogeneous Crystal Growth Mechanisms of Ti nano minerals in Altered Volcanic Ash Chen Liu, Qian Fang, Hanlie Hong, Lulu Zhao, Yanling Yang, Shuling Chen https://t.co/tHxwBJDrCt
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Thin Section Thursday! From Cody Steven: HRTEM image of the (001) section of anthophyllite from western Idaho. Anthophyllite displays chain-width disorder. You can contribute too! Send images and a short caption to akoziol1 at udayton dot edu. #thinsectionthursday
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American Mineralogist: Hematite (U-Th)/He thermochronometry unveils unique exhumation history: An example from the Dexing porphyry copper deposit, Southern China Hong Zhang, Yu Wang, Fang An, Honglin Yuan, Jianfeng Gao https://t.co/bMNaWuZ4mM
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American Mineralogist: High pressure single crystal X-ray diffraction and Raman spectroscopy of boltwoodite, K0.63Na0.37[(UO2)(SiO3OH)](H2O)1.5 Carmen Chamberlain, et al. https://t.co/IBdIpRddw6 The first crystallographic and spectroscopic study of a uranyl mineral at high P.
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Mineral Monday: The Mineral Cup Bracket Is Now Available: Voting starts Sept. 1 What is the Mineral Cup? See https://t.co/xlrR6RqlBF. Vote for your favorite mineral each day in September. #MSACommunications #MineralMonday #mineralogy #MineralCup @mineral_cup #MinCup25
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Behold, the #MinCup25 bracket! Use it to follow along, plan campaigns to support your favs, or make predictions on how voting will shake out. We start at the top left on September 1st, then alternate left and right as we work our way down.
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American Mineralogist: Formation of nano-CdS solid solution: A mechanism for Cd enrichment in sphalerite Lei Yan, et al. https://t.co/515wM65q40 This study provides new insights for understanding the complex distribution characteristics of dispersed elements in sphalerite.
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Thin Section Thursday! PLM photomicrograph in XPL of anthophyllite and magnesite. Anthophyllite displays parting across its length, and minor fiber development. Contributed by Cody Steven. Send images and a short caption to akoziol1 at udayton dot edu. #thinsectionthursday
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American Mineralogist: Discriminating ionic mobility between diffusivity and electrical conductivity experiments on Earth's silicate materials Xiaozhi Yang https://t.co/T2Okg4TszL
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American Mineralogist: Effects of high-temperature annealing and low-temperature metamictization on Archean zircon: Constraints from U-Pb isotopes, trace elements, and Raman dating Carlos Ribeiro, et al. https://t.co/SiWdBCrXzx
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No #MineralMonday post this week – I am waiting on contributions – maybe by YOU. You could win our prize: a RiMG volume of your choice, if your post has the most likes and upvotes this year. Send images and a short write up to akoziol1 at udayton dot edu.
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American Mineralogist: High-temperature Raman spectroscopy of K2Ca(CO3)2 bütschliite and Na2Ca2(CO3)3 shortite Garrett Zeff, Quentin Williams https://t.co/LhtFg7nJ34 This study yields insights into inter-carbonate group couplings.
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American Mineralogist: Formation mechanism of boehmite and diaspore in karstic bauxites: Trace element geochemistry in source materials using a large sample geochemical dataset and a random forest model Hui Qi, et al. https://t.co/WnIX9NEJCt
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Thin Section Thursday! Let’s revisit some images sent to me previously by Cody Steven. HRTEM image of the contact between clinochlore and 2-layer antigorite. Image section is approximately parallel to the (010) section of antigorite. #thinsectionthursday
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