Peridot
Hardness ( Moh )
" 6.5 - 7
Crystal System
OrthorhombicSpecific Gravity
3.34
Refractive Index
1.650 - 1.681
Birefringence
Family
Olivine
Colour(s)
Yelloe,olive green
Cleavage
Francture Type
Conchoidal
Luster
Streak
None
Transparency
Transparent to translucent
Formula
(Mg, Fe)2SiO4
Country
Found In Australia,Brazil,Cambodia,Canada,China,Egypt,Ethiopia,Finland,France,Italy,Kyrgyzstan,Myanmar,Norway,Pakistan,Philippines,Russia,South Korea,Spain,Tanzania,USA,Vietnam