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Malachite is an opaque semi-precious stone with layers of deep green and light green. It is usually found in copper mines; malachite is about 57% copper. Malachite was used as jewelry thousands of years ago by the ancients Egyptians. Malachite is commonly used as a cabochon set in silver and as a mineral specimen. Russian malachite carvings were done in miniature and in large scale; malachite was also inlaid in furniture. Malachite is sometimes coated with colorless wax, oil, or hardening agents to increase its durability and enhance its appearance.
Cu2(CO3)(OH)2 - Copper Carbonate Hydroxide
Class:
Green
Light green
Vitreous, dull, earthy
Opaque
4.1
3.5 - 4
Perfect
Conchoidal to uneven
Acicular and prismatic crystals, botryoidal aggregates, stalactites, massive
Non-fluorescent
Frequency:
Abunadant
Origin:
The most common supergene mineral of copper, associated with azurite, cuprite, and other minerals.

Occurence:
Kambove, Shaba Province, Republic of the Congo (Formerly Zaire); Tsumeb; Onganja, Namibia; Arizona, USA
Application:
Minor ore of copper, pigments, jewelry and as a mineral specimen.

 
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