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Idocrase and Rubellite Optical Properties


Rubellite and Idocrase Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

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

Dispersion
Not Available   
0.02   
22

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
1.67-1.76   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Not Available   

Birefringence
Not Available   
0.014-0.040   

Clarity
Color grading system   
Transparent   

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<< Physical Properties

Idocrase and Rubellite Optic Character

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

Similar to their colors, Idocrase and Rubellite 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, Idocrase is Not Available while Idocrase is Not Available in appearance.

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