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Pyrope and Ametrine Optical Properties


Ametrine and Pyrope Optical Properties


Optical Properties

Luster
Greasy, Vitreous   
Vitreous   

Pleochroism
None   
Not Available   

Dispersion
0.02   
16
0.01   
27

Transparency
Gemmological Tables (2004) More from other references   
Transparent   

Refractive Index
1.720-1.756   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
Trigonal   

Birefringence
Not Available   
0.009   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Transparent   

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Pyrope and Ametrine Optic Character

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

Similar to their colors, Pyrope and Ametrine 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 is Gemmological Tables (2004) More from other references while Pyrope is Gemmological Tables (2004) More from other references in appearance.

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