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Ametrine and Pyrope Optical Properties


Pyrope and Ametrine Optical Properties


Optical Properties

Luster
Vitreous   
Greasy, Vitreous   

Pleochroism
Not Available   
None   

Dispersion
0.01   
27
0.02   
16

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.544-1.553   
1.720-1.756   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
cubic   

Birefringence
0.009   
Not Available   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Ametrine and Pyrope Optic Character

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

Similar to their colors, Ametrine and Pyrope 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, Ametrine is Transparent while Ametrine is Transparent in appearance.

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