Chrysocolla

Chrysocolla is a copper silicate mineral found in deposits around the world. Chrysocolla is the most similar stone to turquoise and is usually confused with it.

• Color: Blue, green, cyan, blackish blue, brown
• Crystal structure: Orthorhombic (sometimes monoclinic)
• Luster: Vitreous (if silicified) to waxy
• Transparency: Translucent to opaque
• Refractive index: 1.50-1.64
• Specific Gravity: 1.9-2.4
• Cleavage: None

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