16.10.04: Moonstone
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Moonstone | |
---|---|
Chemical composition | K-feldspar |
Crystal system | Monoclinic |
Habit | Prismatic |
Cleavage | Distinct to perfect |
Fracture | Conchoidal |
Hardness | 6 |
Optic nature | Biaxial - |
Refractive index | ± 1.52 |
Specific gravity | 2.56 |
Lustre | Vitreous |
Moonstone image gallery |