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Dravite and Pyrope Garnet Optical Properties


Pyrope Garnet and Dravite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Very strong: pale yellow colorless   
Not Available   

Dispersion
0.02   
22
Not Available   

Transparency
Transparent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.614-1.666   
1.720-1.760   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m   
Isometric   

Birefringence
0.014-0.032   
Not Available   

Clarity
Transparent   
Transparent to translucent   

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Dravite and Pyrope Garnet Optic Character

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

Similar to their colors, Dravite and Pyrope Garnet 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, Dravite is Transparent while Dravite is Transparent in appearance.

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