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Arfvedsonite Thumbstone

Arfvedsonite Thumbstone

Product Code: PSTSAVD

Categories: Polished Shapes, Thumbstone
Crystal: Arfvedsonite
Detail: The arfvedsonite group minerals are sodium amphiboles, individual members are defined by their dominant element.
Chemical Composition: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Origin: Russia
Size: 50mm
Weight: 30g
Quantity: 1

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