Template:Synthetic forsterite

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Synthetic forsterite
Chemical composition Magnesium silicate

Mg2SiO4

Crystal system Orthorhombic
Hardness 6-7
Optic nature Biaxial +
Refractive index 1.635 - 1.670
Birefringence 0.035 - 0.052
Specific gravity 3.27
Pleochroism Strongly dichroic
Fluorescence

LW: inert
SW: chalky