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Feldspar and Goshenite Optical Properties


Goshenite and Feldspar Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
None   
Not Available   

Dispersion
Not Available   
0.01   
26

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.518-1.570   
1.562-1.615   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic or monoclinic   
Hexagonal   

Birefringence
0.008-0.010   
0.003-0.010   

Clarity
Transparent   
Transparent   

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Feldspar and Goshenite Optic Character

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

Similar to their colors, Feldspar and Goshenite 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, Feldspar is Translucent and Transparent while Feldspar is Translucent and Transparent in appearance.

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