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Tsavorite Garnet and Covellite Optical Properties


Covellite and Tsavorite Garnet Optical Properties


Optical Properties

Luster
Vitreous, Adamantine   
Resinous   

Pleochroism
Not Available   
Marked   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references   

Refractive Index
1.738-1.745   
1.45-2.62   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Hexagonal   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
OpaqueAnthony et al   

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Tsavorite Garnet and Covellite Optic Character

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

Similar to their colors, Tsavorite Garnet and Covellite 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, Tsavorite Garnet is Transparent while Tsavorite Garnet is Transparent in appearance.

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