Quartz, Prehnite, Calcite and unknown mineral. - Brandberg area, Namibia - 61 x 60 x 36 mm
Mineral: Quartz, Prehnite, Calcite and unknown mineral.
Locality: Brandberg area, Erongo Region, Namibia
Dimensions: 61 x 60 x 36 mm

Description: Unknown balls of an unknown mineral sits in a geode of quartz, calcite and prehnite.