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Amethyst and Hibschite Optical Properties


Hibschite and Amethyst Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
None   
Not Available   

Dispersion
0.01   
27
Not Available   

Transparency
Transparent, Transparent to translucent   
Semitransparent   

Refractive Index
1.544-1.553   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d   

Birefringence
0.009   
Not Available   

Clarity
Transparent   
TranslucentAnthony et al   

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Amethyst and Hibschite Optic Character

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

Similar to their colors, Amethyst and Hibschite 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.

Semi Precious

Semi Precious


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