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Bronzite and Colemanite Optical Properties


Colemanite and Bronzite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.668   
1.584-1.615   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.014   
0.028-0.030   

Clarity
Transparent   
Transparent   

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Bronzite and Colemanite Optic Character

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

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

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