triclinic
Amazonite
KAlSi3O8
Quick Facts
Hardness
6.0
Specific Gravity
2.56
Refractive Index
1.522
Crystal Structure
triclinic[-1]:{010}@1.0 + {001}@0.9 + {110}@0.7 triclinic
-1
{010} {001} {110}
Physical Properties
Crystal Systemtriclinic
Hardness (Mohs)6.0
Specific Gravity2.56
CleavagePerfect {001} and {010} at approximately 90 degrees
FractureUneven
LustreVitreous
Optical Properties
Refractive Index1.522
Birefringence0.008
PleochroismNone
Dispersion0.012
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Open in Playground triclinic[-1]:{010}@1.0 + {001}@0.9 + {110}@0.7 Related Minerals
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