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Sphalerite and Starlite Optical Properties


Starlite and Sphalerite Optical Properties


Optical Properties

Luster
Adamantine   
Not Available   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
0.16   
4
Not Available   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
2.368-2.371   
1.790-2.015   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Not Available   

Birefringence
Not Available   
0.005-0.055   

Clarity
Transparent   
Transparent   

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Sphalerite and Starlite Optic Character

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

Similar to their colors, Sphalerite and Starlite 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, Sphalerite is Translucent and Transparent while Sphalerite is Translucent and Transparent in appearance.

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