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Turquoise and Titanite Sphene Optical Properties


Titanite Sphene and Turquoise Optical Properties


Optical Properties

Luster
Waxy   
Not Available   

Pleochroism
Weak   
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;   

Dispersion
None   
0.05   
9

Transparency
Translucent, Opaque   
Transparent, Translucent   

Refractive Index
1.610-1.650   
1.843-2.110   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.040   
0.100-0.192   

Clarity
Translucent   
Transparent   

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Turquoise and Titanite Sphene Optic Character

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

Similar to their colors, Turquoise 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, Turquoise is Opaque and Translucent while Turquoise is Opaque and Translucent in appearance.

Semi Precious

Semi Precious


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