Tumbled Stone: Azurite | Chrysocolla

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

Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1  Colour:  Green, bluish green, blue, blackish blue to black, or brown and rarely yellow  Lustre: Vitreous, Waxy, Earthy Hardness: 2½ – 3½  Specific Gravity:  1.93 – 2.4
Crystal System: Orthorhombic

*As we are consistently receiving new stock in store our staff will intuitively choose the perfect item for you. All images are only an indication of what is available as no two stones are the same*