malachite

A hydrated copper carbonate mineral (Cu₂CO₃(OH)₂) found in weathered copper ore deposits. It is bright green in colour.

Portions of the summary below have been contributed by Wikipedia.

Malachite

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

Malachite is a carbonate mineral, copper(II) carbonate hydroxide Cu2CO3(OH)2.

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malachite

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