Minerals
Malachite
Cu2CO3(OH)2
Burkhard Mücke / CC BY-SA 4.0, via Wikimedia Commons · CC BY-SA 4.0 · Source
Overview
Secondary copper carbonate with banding.
Identification characteristics
- Mohs hardness 3.5–4
- Streak: Light green
- Lustre: Silky to vitreous
Formation and occurrence
Oxidised copper deposits
Common uses
Ore, ornamental stone
