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Sellaite and Crystal Quartz Optical Properties


Crystal Quartz and Sellaite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.378-1.390   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Trigonal   

Birefringence
0.012   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Sellaite and Crystal Quartz Optic Character

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

Similar to their colors, Sellaite and Crystal Quartz 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, Sellaite is Transparent while Sellaite is Transparent in appearance.

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