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azurite is a copper carbonate hydroxide mineral with a chemical composition of cu (co ) (oh) . it is best known for its characteristic deep blue to violet-blue color. the blue color, known as "azure," is like the deep blue evening skies often seen above deserts and winter landscapes. azurite is not a
violet blue; "azure" streak light blue luster vitreous, earthy diaphaneity opaque, translucent, transparent cleavage two distinct directions, one perfect, one poor mohs hardness to specific gravity to diagnostic properties deep blue color, effervescence in dilute hcl, high specific gravity, low hardness...
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