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Pyrope Garnet and Dioptase Optical Properties


Dioptase and Pyrope Garnet Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Weak; dark emerald green   

Dispersion
Not Available   
0.04   
13

Transparency
Transparent, Translucent, Transparent to translucent   
TranslucentHerve Nicolas Lazzarelli   

Refractive Index
1.720-1.760   
1.644-1.720   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Trigonal   

Birefringence
Not Available   
0.051-0.053   

Clarity
Transparent to translucent   
TranslucentHerve Nicolas Lazzarelli   

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Pyrope Garnet and Dioptase Optic Character

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

Similar to their colors, Pyrope Garnet and Dioptase 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, Pyrope Garnet is Translucent, Transparent and Transparent to translucent while Pyrope Garnet is Translucent, Transparent and Transparent to translucent in appearance.

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Red Gemstones


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