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Fuchsite and Dravite Optical Properties


Dravite and Fuchsite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
Not Available   
Very strong: pale yellow colorless   

Dispersion
Not Available   
0.02   
22

Transparency
Transparent   
Transparent   

Refractive Index
1.552-1.618   
1.614-1.666   

Optic Character
Not Available   
Not Available   

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

Birefringence
Not Available   
0.014-0.032   

Clarity
Transparent   
Transparent   

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Fuchsite and Dravite Optic Character

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

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

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