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Forsterite and Hodgkinsonite Optical Properties


Hodgkinsonite and Forsterite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
colorless.   
Lavender and pale purple for transparent pink stones.Michael O’Donoghue   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gems   

Refractive Index
1.635-1.671   
1.720-1.746   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.033-0.042   
0.026   

Clarity
Transparent   
Gems   

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Forsterite and Hodgkinsonite Optic Character

Forsterite and Hodgkinsonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Forsterite and Hodgkinsonite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Forsterite and Hodgkinsonite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Forsterite and Hodgkinsonite Transparency

Similar to their colors, Forsterite and Hodgkinsonite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Forsterite is Transparent while Forsterite is Transparent in appearance.

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