Mineral: Boltwoodite with Calcite
Locality: Rössing Mine, Arandis, Swakopmund District, Erongo Region, Namibia
Dimensions: 8,5 x 6,0 x 5,5 cm
Description: Main crystal size: 1,2 cm
Thick yellow tufts in a black calcite geode
MIM number 1020
Photographer: Augustin de Valence (Aďnu)
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