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Smoky Quartz and Titanite Sphene Optical Properties


Titanite Sphene and Smoky Quartz Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
None   
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;   

Dispersion
0.01   
27
0.05   
9

Transparency
Transparent, Translucent, Transparent to translucent   
Transparent, Translucent   

Refractive Index
1.544-1.553   
1.843-2.110   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Not Available   

Birefringence
0.009   
0.100-0.192   

Clarity
Opaque   
Transparent   

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Smoky Quartz and Titanite Sphene Optic Character

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

Similar to their colors, Smoky Quartz and Titanite Sphene 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, Smoky Quartz is Translucent, Transparent and Transparent to translucent while Smoky Quartz is Translucent, Transparent and Transparent to translucent in appearance.

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