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Stichtite and Grossular Optical Properties


Grossular and Stichtite Optical Properties


Optical Properties

Luster
Waxy, Resinous   
Greasy, Vitreous   

Pleochroism
Weak   
None   

Dispersion
Not Available   
0.02   
18

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.516-1.544   
1.730-1.760   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
cubic   

Birefringence
0.026   
0.020   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Stichtite and Grossular Optic Character

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

Similar to their colors, Stichtite and Grossular 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, Stichtite is Translucent while Stichtite is Translucent in appearance.

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