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chrysocolla gem a t - Newest pictures

☹Gemstone Chrysocolla☹

Chrysocolla is a gemstone with a beautiful sky blue to bluish-green color. Copper in its chemical structureis responsible for the bright attractive color. It is often multicolored with inclusions or veining of black and brown matrixmaterial. Chrysocolla's lack of widespread gem use is due to its low hardnessand lack of durability. It is sometimes coated or admixed with harder Quartz, and these harder, more solid forms are better fit for gemstone use.
Chemical FormulaCu2H2Si2O5(OH)4
ColorBlue, Green, Multicolored
Hardness2 - 4
Crystal System Orthorhombic
Refractive Index1.4 - 1.6
SG2.0 - 2.2
Transparency Opaque
Double RefractionNone
Luster Vitreousto greasy
Mineral Class Chrysocolla

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