Malachite

| Mineral List | Rock List | Guidelines for Rock Collections |

Mineral class: Carbonate
Composition: Copper carbonate, Cu₂CO₃(OH)₂
Hardness: 3.5 - 4
Luster: Dull to glassy
Color: Bright green
Streak: Light green
Crystal form: Radiating, fibrous
Environment: Occurs as small specks in some dolomite beds. Occurs in some meteorites.
Uses: Copper ore
Comments: Easily identified by color and streak. Reacts with cold HCl. [azuriteMalachite.jpg]

Mineral class:	Carbonate
Composition:	Copper carbonate, Cu₂CO₃(OH)₂
Hardness:	3.5 - 4
Luster:	Dull to glassy
Color:	Bright green
Streak:	Light green
Crystal form:	Radiating, fibrous
Environment:	Occurs as small specks in some dolomite beds. Occurs in some meteorites.
Uses:	Copper ore
Comments:	Easily identified by color and streak. Reacts with cold HCl.