Mineral - Chrysocolla

Name Chrysocolla
Class Silicates
Category Hydrated copper silicate
Crystal system Amorphous to microcrystalline
Chemical composition Hydrated copper silicate (Cu₂₋ₓAlₓ(H₂Si₂O₅)(OH)₄·nH₂O), variable composition
Hardness (Mohs scale) 2 to 4
Transparency Opaque to translucent
Geographical origin Democratic Republic of Congo, Peru, Chile, United States, Israel, Mexico