Dioptase - Mineral Specimen calcite crystals natural a member of the epidote

a member of the epidote group of silicate minerals

Lizardite is mainly light lime green

Approximate Size of 1 piece: 6cm x 5

It comes in colours that are red

They are alabaster ( a form of gypsum)

Dioptase - Mineral Specimen calcite crystals natural a member of the epidoteMined 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