Azurite Malachite Large Oval Pendant

Azurite
Formula: Cu3(CO3)2(OH)2  Colour: Azure blue, blue, light blue, or dark blue; light blue in transmitted light  Lustre: Vitreous Hardness: 3½ – 4  Specific Gravity: 3.77 Crystal System: Monoclinic

Malachite

Malachite is a rich green secondary mineral, containing up to 58% Copper. It forms according to a monoclinic crystal structure and has a hardness 3.5-4 on the Mohs scale with a specific Gravity: 3.6 – 4.05 and a Adamantine, Vitreous, Silky, Dull, Earthy luster.