Item# Azurite

Scientific Name: Copper carbonate hydroxide

Group: Carbonates

Chemical composition: Cu3(CO3)2(OH)2

Colors: Azure to dark blue.

Hardness: 3.5 to 4

Formation: Monoclinic crystals; Tabular, prismatic form

Principal Sources: Utah, Arizona, New Mexico, USA; France; Mexico; Chile; Namibia.

Special Notes: Mined in ancient Egypt as a source of copper and commonly used as a pigment and ceramic glaze.

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