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Schorl and Smithsonite Optical Properties


Smithsonite and Schorl Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
Very strong: yellow-brown pale yellow   
AbsentWalter Schumann   

Dispersion
Not Available   
0.01   
26

Transparency
Transparent, Translucent   
Translucent   

Refractive Index
1.635-1.672   
1.620-1.850   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.025   
0.223-0.227   

Clarity
Transparent   
Translucent   

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Schorl and Smithsonite Optic Character

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

Similar to their colors, Schorl and Smithsonite 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, Schorl is Translucent and Transparent while Schorl is Translucent and Transparent in appearance.

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