Template:Synthetic moissanite

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Synthetic Moissanite
Chemical composition Silicon Carbide - SiC
Crystal system Hexagonal
Habit Boule plates
Cleavage Weak (good parting)
Fracture Unknown
Hardness 9.25
Optic nature Uniaxial +
Refractive index 2.648 - 2.691
Birefringence 0.043
Dispersion High, 0.104
Specific gravity 3.22
Lustre Sub-adamantine
Pleochroism Unknown