Nephrite
Hardness ( Moh )
" 6 - 6.5
Crystal System
MonoclinicSpecific Gravity
2.90 - 3.04
Refractive Index
1.600 - 1.640
Birefringence
Family
Jade
Colour(s)
green, yellow, brown, white, gray, black
Cleavage
Francture Type
splintery
Luster
Streak
White
Transparency
Translucent
Formula
Ca2(Mg,Fe)5Si8O22(OH)2
Country
Found In Afghanistan,Australia,Austria,Brazil,Canada,China,Germany,Italy,Japan,Mexico,Myanmar,New Zealand,Poland,Russia,South Korea,Switzerland,Taiwan,Ukraine,USA,Vietnam,Zimbabwe