Alexandrite
Hardness ( Moh )
" 8.5
Crystal System
OrthorhombicSpecific Gravity
3.70 - 3.73
Refractive Index
1.745 - 1.759
Birefringence
Family
Chrysoberyl
Colour(s)
Array
Cleavage
Francture Type
Conchoidal to uneven
Luster
Streak
White
Transparency
Translucent to opaque
Formula
BeAl2O4
Country
Found In Array