MALACHITE
Category: Mineral
Chemical formula: Cu2CO3(OH)2
Color: Green
Crystal habit: Massive, botryoidal, stalactitic
Crystal system: Monoclinic - prismatic
Cleavage: Perfect
Fracture: Conchoidal to splintery
Mohs Scale hardness: 3.5 - 4
Luster: Dull/vitreous in large quantities, silky in crystal form
Streak: Green
Specific gravity: 3.6 - 4
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