Arfvedsonite : [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Microcline : K(AlSi3O8)
67mm x 52mm x 32mm
Photo added to mindat.org
“While arfvedsonite is a common amphibole, good specimens are not common in the marketplace. The prismatic crystals in this cluster have good luster and are terminated. A fine specimen from a classic locality.
Size: 67mm x 52mm x 32mm
Collection: Ex- E. Schlichter Collection”
mindat.org - 6th December 2007
Photo added to mindat.org
“While arfvedsonite is a common amphibole, good specimens are not common in the marketplace. The prismatic crystals in this cluster have good luster and are terminated. A fine specimen from a classic locality.
Size: 67mm x 52mm x 32mm
Collection: Ex- E. Schlichter Collection”
mindat.org - 6th December 2007
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