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Colemanite and Bixbite Optical Properties


Bixbite and Colemanite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
NilArthur Thomas   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.584-1.615   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a   
Hexagonal   

Birefringence
0.028-0.030   
Not Available   

Clarity
Transparent   
Not Available   

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Colemanite and Bixbite Optic Character

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

Similar to their colors, Colemanite and Bixbite 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, Colemanite is Transparent while Colemanite is Transparent in appearance.

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