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Poldervaartite and Rubellite Optical Properties


Rubellite and Poldervaartite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Weak: colorless light gray bluish grayAnthony et al   
Strong: dark red pinkish-redHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
22

Transparency
Transparent   
Transparent, Translucent   

Refractive Index
1.634-1.656   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
0.014-0.040   

Clarity
Transparent   
Transparent   

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Poldervaartite and Rubellite Optic Character

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

Similar to their colors, Poldervaartite 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, Poldervaartite is Transparent while Poldervaartite is Transparent in appearance.

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