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Tremolite and Unakite Optical Properties


Unakite and Tremolite Optical Properties


Optical Properties

Luster
Vitreous, Silky   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemstones of the world (2001)   

Refractive Index
1.599-1.637   
1.525   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
monoclinic   

Birefringence
0.023-0.028   
Not Available   

Clarity
Transparent   
Gemstones of the world (2001)   

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<< Physical Properties

Tremolite and Unakite Optic Character

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

Similar to their colors, Tremolite and Unakite 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, Tremolite is Transparent while Tremolite is Transparent in appearance.

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