16.25: Calcite
- Page ID
- 4361
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Calcite | |
---|---|
Chemical composition | CaCO3 |
Crystal system | Hexagonal(Trigonal) |
Habit | Massive |
Hardness | 3 |
Specific gravity | 2.69 - 2.71 |
Optic nature | Uniaxial - |
Refractive Index | 1.486 - 1.658 |
Birefringence | 0.172 - 0.19 |
Lustre | Vitreous |