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Aragonite and Forsterite Optical Properties


Forsterite and Aragonite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Vitreous   

Pleochroism
StrongArthur Thomas   
colorless.   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.525-1.686   
1.635-1.671   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.155   
0.033-0.042   

Clarity
Transparent   
Transparent   

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Aragonite and Forsterite Optic Character

Aragonite and Forsterite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Aragonite and Forsterite 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 Aragonite and Forsterite 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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Aragonite and Forsterite Transparency

Similar to their colors, Aragonite and Forsterite 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, Aragonite is Translucent and Transparent while Aragonite is Translucent and Transparent in appearance.

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