malachite
 
malachiteMalachite


Source: USA and many others

Chemical: Cu2(CO)3(OH)2

Formation: Found in conjunction with copper deposits. Malachite is actually an oxidized form of copper.

Crystal System: Monoclinic. However, it usually occurs in a botryoidal form as you see above.

Unusual Properties: This gemstone is known for its swirling colors of light to dark green. It is cut en cabochon.

Wearability: Malachite is rather soft so expect it to show wear and tear. If setting or repairing in jewelry be careful of heat since a jeweler's torch can damage the stone.


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