malachite
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Malachite.
Image source: Mineralogical Information Institute
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A green mineral consisting of basic copper (II) carbonate
(Cu2CO3[OH]2). It occurs widely, usually
with azurite, and is formed by weathering
of other copper minerals. A minor ore of
copper, it is used for ornamental stone and gems. Related
category
• GEOLOGY
AND PLANETARY SCIENCE
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