Home > Term: arfvedsonite
arfvedsonite
A monoclinic mineral, Na3(Fe+2,Mg)4Fe+3Si8O22(OH)2, of the amphibole group; dark green to black; in silica-poor igneous rocks.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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