Conichalcite with Quartz from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia septarian heart The calcite has sharp rhombohedral

The calcite has sharp rhombohedral form with lustrous faces showing sub parallel growth

Lustrous large single 1 inch blue steel colored galena crystals on matrix enriched with quartz and yellow-metallic pyrite crystals

Large specimen of lustrous green apophyllite crystals in isolated clusters on druzy chalcedony matrix

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Conichalcite with Quartz from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia septarian heart The calcite has sharp rhombohedralFrom Tsumeb Mine, Otavi Bergland District, Oshikoto, Namibia Scintillating formation of spherical aggregates of quartz with translucent green conichalcite microcrystals. 1. 2 grams, 4. 5 x 1. 5 x 4. 5 inches