Ametrine
Hardness ( Moh )
" 7
Crystal System
TrigonalSpecific Gravity
2.63 - 2.65
Refractive Index
1.544 - 1.553
Birefringence
Family
Quartz
Colour(s)
Purple, violet, yellow
Cleavage
Francture Type
Conchoidal
Luster
Streak
White
Transparency
Transparent to opaque
Formula
SiO2
Country
Found In Bolivia,Brazil,Canada,India,Mozambique,South Africa,USA