Dioptase - Mineral Specimen unisex fleece sweater The metal cools and takes

The metal cools and takes the form of the trilobites

and muted browns—colors reminiscent of the mineral-rich mountains of Balochistan

is a variety of quartz that contains inclusions of hematite

Geological Age: Approximately 17 to 23 mya

Dioptase - Mineral Specimen unisex fleece sweater The metal cools and takesMined from: Renville Mine, Pool Department, Republic of the Congo Description: This dioptase specimen from the Renville Mine shows a classic botryoidal copper rich matrix coated with dense clusters of deep green crystals lining a natural cavity. The outer surface has that velvety, granular look typical of oxidized copper minerals, while the interior opens into a pocket of well formed, glassy dioptase crystals. The contrast between the rough exterior