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Bobfergusonite : ウィキペディア英語版 | Bobfergusonite
Bobfergusonite is a mineral with formula Na2Mn5FeAl(PO4)6. The mineral varies in color from green-brown to red-brown. It was discovered in 1986 in Manitoba, Canada, and named for Robert Bury Ferguson (born 1921). , the mineral has only been found in Canada and Argentina. ==Description== Bobfergusonite occurs as equant anhedral single crystals up to in size or as nodular aggregates of few crystals.〔〔Ercit, p. 600.〕 The mineral varies in color from green-brown to red-brown.〔 Thin fragments of bobfergusonite are transparent. Bobfergusonite has been found in association with alluaudite, apatite, beusite, fillowite, and triplite.〔 Bobfergusonite is a primary mineral that occurs in the intermediate zone of manganese and fluorine enriched granitic pegmatites.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Bobfergusonite」の詳細全文を読む
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