せんせき
アルベゾン閃石
1. arfvedsoniteMineralogy
2. ArfvedsoniteArfvedsonite is a sodium amphibole mineral with composition: [Na Na][Na2][(Fe)4Fe][(OH)2|Si8O22]. It crystallizes in the monoclinic prismatic crystal system and typically occurs as greenish black to bluish grey fibrous to radiating or stellate prisms. It is a rather rare mineral occurring in nepheline syenite intrusions and agpaitic (peralkaline) pegmatites and granites as the Golden Horn batholith in Okanogan County, Washington (type locality for zektzerite).
Read “Arfvedsonite” on English Wikipedia
Read “アルベゾン閃石” on Japanese Wikipedia
Read “Arfvedsonite” on DBpedia
Read “Arfvedsonite” on English Wikipedia
Read “アルベゾン閃石” on Japanese Wikipedia
Read “Arfvedsonite” on DBpedia
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