Jadeite | |
Chemical Formula |
NaAlSi2O6 or Na(Al,Fe3+)Si2O6 |
Species |
Silicates |
Crystal System |
Monoclinic |
Mohs Scale |
6 |
Specific Gravity |
3.24-3.43 |
Color |
Apple-green, emerald-green, bluish green, leek-green,greenish white, white, may show green spots, rarely blue or Purple; colorless in thin section |
Streak |
White |
Luster |
Subvitreous, pearly on cleavages |
Refractive Index |
n = 1.654 - 1.673 n = 1.659 - 1.679 n = 1.667 - 1.693 |
Diaphaneity |
Translucent |
Cleavage |
Distinct/Good |
Fracture |
Splintery |
Crystal Habit:Commonly massive, or fibrous, granular— prismatic crystals rare |