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出典:Wikipedia
出典:『Wikipedia』 (2011/06/05 19:51 UTC 版)
Tokyoite is a rare barium manganese vanadate mineral with the chemical formula: Ba2(Mn3+,Fe3+)OH(VO4)2. It is the manganese analogue of the iron rich gamagarite and the barium analogue of the lead vanadate, brackebuschite.
Tokyoite