Outstanding Large Dioptase With Calcite On Matrix From Tsumeb Mine, Namibia- Collectors Piece sceptre 5cm A chalcedony is a

5cm A chalcedony is a form of cryptocrystalline quartz

Fluorite is a stone known for clarity and mental enhancement

Its colours range from clear to white

even during very difficult challenges

Weight 105g

Outstanding Large Dioptase With Calcite On Matrix From Tsumeb Mine, Namibia- Collectors Piece sceptre 5cm A chalcedony is aOutstanding Large Dioptase With Calcite On Matrix From Tsumeb Mine, Namibia Collectors Piece Weight 1. 438kg Size 14cm by 9cm Thickness 7. 5cm Dioptase is a translucent crystal coloured by copper deposits, which give it an intense emerald or blue green colour. It has been used since the ancient world for its beautiful colour the first known usage of dioptase was on a statue dating back to 7200 years BC. Dioptase occurs in copper mines and natural