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Unakite and Caledonite Optical Properties


Caledonite and Unakite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Weak   

Dispersion
Not Available   
Not Available   

Transparency
Gemstones of the world (2001)   
Transparent   

Refractive Index
1.525   
1.818-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
Not Available   
0.091   

Clarity
Gemstones of the world (2001)   
Transparent   

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<< Physical Properties

Unakite and Caledonite Optic Character

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

Similar to their colors, Unakite and Caledonite 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, Unakite is Gemstones of the world (2001) while Unakite is Gemstones of the world (2001) in appearance.

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Gems for Scorpio


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