Mineral: Silver
Locality: Kongsberg mining district, Kongsberg, Norway
Dimensions: 5,0 x 5,5 x 7,0 cm

Description: Main crystal size : 2,3 cm Group of sharp crystals exhibiting cubic, modified cubic or hoppered habits, with at least one crystal showing the spinel twin. This is quite unusual at the Kongsberg mine where silver generally occurs as wires. Some calcite remains in the crevices. MIM number 1687 Photographer : Augustin de Valence (Ainu)

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