Olivine | |
Chemical Formula |
(Mg, Fe)2SiO4 |
Species |
Silicates |
Crystal System |
Orthorhombic |
Mohs Scale |
6-7 |
Specific Gravity |
3.27-3.37 |
Color |
Yellow to yellow-green |
Streak |
White |
Luster |
Vitreous |
Refractive Index |
n = 1.630 - 1.650 n = 1.650 - 1.670 n = 1.670 - 1.690 |
Diaphaneity |
Transparent to translucent |
Cleavage |
Poor |
Fracture |
Conchoidal – brittle |
Crystal Habit:Massive to granular |