Chrysoberyl
Hardness ( Moh )
" 8.5
Crystal System
Specific Gravity
3.5 - 3.84
Refractive Index
1.740 - 1.777
Birefringence
Family
Chrysoberyl
Colour(s)
green, yellow, brownish,greenish black, raspberry-red under incandescent light colorless, pale shades of yellow, green, ed in transmitted light
Cleavage
Francture Type
Luster
Streak
White
Transparency
Formula
BeAl2O4
Country
Found In Afghanistan,Algeria,Antarctica,Argentina,Australia,Austria,Brazil,Bulgaria,Canada,China,Czech Republic,DR Congo,Europe,Finland,France,Germany,India,Italy,Japan,Kazakhstan,Kenya,Madagascar,Mozambique,Myanmar,Namibia,Niger,Nigeria,Norway,Poland,Portugal,Russia,South Africa,Spain,Sri Lanka,Sweden,Switzerland,Tanzania,UK,Ukraine,USA,Uzbekistan,Zambia,Zimbabwe