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Dominant species
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Chrysocolla
Chemical
Formula
(Cu,Al)2H2Si2O5(OH)4·nH2O
Species
Silicates
Crystal
System
Orthorhombic
Mohs
Scale
2-3
Specific
Gravity
1.9-2.4
Color
Blue, blue-green, green
Streak
white to a blue-green color
Luster
Vitreous, Waxy, Earthy
Refractive
Index
n = 1.575 - 1.585 n = 1.597 n = 1.598 - 1.635
Diaphaneity
Translucent, Opaque
Cleavage
None ObservedNone
Fracture
Irregular/Uneven, Sub-Conchoidal
Crystal Habit:Massive, nodular, botryoidal
Geological Setting:Found in the oxidation zone of copper deposits, often encrusting or replacing earler secondary minerals.
Chrysocolla3259
Chrysocolla3259
Chrysocolla3255
Chrysocolla3255
Chrysocolla3250
Chrysocolla3250
Chrysocolla3246
Chrysocolla3246
Chrysocolla3243
Chrysocolla3243
Chrysocolla3240
Chrysocolla3240
Chrysocolla3236
Chrysocolla3236
Chrysocolla3234
Chrysocolla3234
Chrysocolla3229
Chrysocolla3229