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Super Seven Crystals and Cryolite Optical Properties


Cryolite and Super Seven Crystals Optical Properties


Optical Properties

Luster
Vitreous, Pearly, Silky   
Vitreous, Greasy, Pearly   

Pleochroism
Not Available   
colorless.   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent, Opaque   
Gemmological Tables (2004) More from other references   

Refractive Index
1.519-1.521   
1.338-1.339   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
monoclinic   

Birefringence
0.0090-0.0100   
0.001   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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Super Seven Crystals and Cryolite Optic Character

Super Seven Crystals and Cryolite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Super Seven Crystals and Cryolite 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 Super Seven Crystals and Cryolite 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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Super Seven Crystals and Cryolite Transparency

Similar to their colors, Super Seven Crystals and Cryolite 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, Super Seven Crystals is Opaque, Translucent and Transparent while Super Seven Crystals is Opaque, Translucent and Transparent in appearance.

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Green Gemstones


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