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Almandine Garnet and Hiddenite Optical Properties


Hiddenite and Almandine Garnet Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
22

Transparency
Transparent, Translucent, Transparent to translucent   
Transparent   

Refractive Index
1.780-1.810   
1.657-1.681   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
monoclinic   

Birefringence
Not Available   
0.014-0.016   

Clarity
Transparent to translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Almandine Garnet and Hiddenite Optic Character

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

Similar to their colors, Almandine Garnet and Hiddenite 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, Almandine Garnet is Translucent, Transparent and Transparent to translucent while Almandine Garnet is Translucent, Transparent and Transparent to translucent in appearance.

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Red Gemstones


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