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triclinic simulant
Gilson Turquoise (Cabochon)
CuAl6(PO4)4(OH)8*4H2O
Quick Facts
Hardness
5.0
Specific Gravity
2.4
Refractive Index
1.6
Crystal Structure
triclinic[-1]:{010}@1.0 + {001}@0.9 + {110}@0.7 triclinic
-1
{010} {001} {110}
Physical Properties
Crystal Systemtriclinic
Hardness (Mohs)5.0
Specific Gravity2.4
LustreWaxy to dull
Optical Properties
Refractive Index1.6
Birefringence0.04
Origin & Identification
Originsimulant
Growth Methodgilson
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Open in Playground triclinic[-1]:{010}@1.0 + {001}@0.9 + {110}@0.7 Natural Counterpart
The natural gem this simulant imitates
Related Minerals
Other minerals in the triclinic system
