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Cryolite and Rhodolite Optical Properties


Rhodolite and Cryolite Optical Properties


Optical Properties

Luster
Vitreous, Greasy, Pearly   
Greasy, Vitreous   

Pleochroism
colorless.   
None   

Dispersion
Not Available   
None   

Transparency
Gemmological Tables (2004) More from other references   
Gemmological Tables (2004)   

Refractive Index
1.338-1.339   
1.760   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
cubic   

Birefringence
0.001   
0.010-0.014   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
TransparentUlrich Henn and Claudio C. Milisenda   

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Cryolite and Rhodolite Optic Character

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

Similar to their colors, Cryolite and Rhodolite 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, Cryolite is Gemmological Tables (2004) More from other references while Cryolite is Gemmological Tables (2004) More from other references in appearance.

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