Dioptase - Mineral Specimen shards comes from trace amounts of

comes from trace amounts of manganese

such as the wheels and large cones

Red - Tirodite - Taleville

They include clams

Dioptase - Mineral Specimen shards comes from trace amounts ofMined from: Renville Mine, Pool Department, Republic of the Congo Description: This dioptase specimen shows dense coverage of deep emerald to blue green crystals across a rough, iron stained matrix. The crystals are sharp and glassy, forming tight clusters with a mix of small prismatic and blocky forms that catch light well despite the darker saturation. Areas of earthy brown host rock and lighter mineral patches break up the surface, giving the piece