Mineral Species: Azurite

Chemical Formula: Cu3(CO3)2(OH)

Chemical Name: Basic Copper Carbonate

Mineral Class: Carbonate

Mineral Notes: Azurite is so named because of its intense blue colour, which also explains its popularity with collectors. The colour is very distinctive, although the shade varies among specimens. It is formed by the action of carbon dioxide and water on copper sulfides.

Description: A white very richly studded throughout by dark blue Azurite. A few areas show small crystals, otherwise the mineral has a chalky luster.

Location: Caradon Hill Mine, Liskeard, Cornwall, England.