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-P09
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R1: Characterization and description of minerals
Oxy type tourmaline from the Kiura emery deposit
Takashi Oyama, *Tetsuo Minakawa, Yukikazu Ohogoshi, Daisuke Hamane
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Keywords: Kiura mine, emery, oxy tourmaline, calcic tourmaline, oxy schorl
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Abstract

Tourmalines from the Kiura emery deposit have been identified as Ca type and Na type Oxy-tourmaline. They are new tourmalines. Ca oxy tourmaline with high Al content is CaFe2AlAl6(AlSi5)O18(BO3)3(OH)3O . Na oxy tourmaline is NaAl3Al4Fe2Si6O18(BO3)3(OH)3O.

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© 2011 Japan Association of Mineralogical Sciences
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Abstracts for Annual Meeting of the Mineralogical Society of Japan

Abstracts of Papers Presented at the Annual Meeting of The Japanese Association of Mineralogists, Petrologists and Economic Geologists

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