Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2011 Joint Annual Meeting of Japan Association of Mineralogical Sciences and The Geological Society of Japan
Session ID : R1-02
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R1: Characterization and description of minerals
Sideronatrite from the Tako coast, Kushimoto, Wakayama Prefecture, Japan
*TAKASHI ISHIBASHINORIMASA SHIMOBAYASHI
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Abstract
Sideronatrite Na2Fe(SO4)2(OH)-3H2O was found on marcasite - pyrite - bearing quartz vein from the Tako coast, Kusimoto, Wakayama Prefecture, Japan. EPMA analyses (WDX mode) leads the empirical formula, (Na1.54, K0.00)1.54(Fe3+1.04, Al0.01)1.05 (SO4)2.02(OH)0.65 - 3.25H2O.
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© 2011 Japan Association of Mineralogical Sciences
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