Aurichalcite
Aurichalcite is soft, monoclinic, copper and zinc bearing mineral. It forms a soft, scaly, greenish-blue crust in oxidized zones of copper-zinc ore deposits. It is considered to be a guide or indicator of zinc ore.
Type
Mineral
Mineral Classification
Carbonate
Chemical Formula
4[(Zn,Cu)5(CO3)2(OH)6]
Streak
very light blue-green
Mohs Hardness
2-2.5
Crystal System
Monoclinic
Color
blue-green and light-blue
Luster
Pearly, silky
Fracture
Uneven
Description
Aurichalcite is soft, monoclinic, copper and zinc bearing mineral. It forms a soft, scaly, greenish-blue crust in oxidized zones of copper-zinc ore deposits. It is considered to be a guide or indicator of zinc ore.
Uses
Of value to scientists and collectors.