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Rubellite and Rossmanite Optical Properties


Rossmanite and Rubellite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli   
Not Available   

Dispersion
0.02   
22
Not Available   

Transparency
Transparent, Translucent   
TransparentWebmineral.com, Mineralogy Database (2012)   

Refractive Index
1.614-1.666   
1.624-1.645   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.014-0.040   
0.021   

Clarity
Transparent   
TransparentWebmineral.com   

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Rubellite and Rossmanite Optic Character

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

Similar to their colors, Rubellite and Rossmanite 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, Rubellite is Translucent and Transparent while Rubellite is Translucent and Transparent in appearance.

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