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Pyrope
Pyrope

Sapphire
Sapphire



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Pyrope
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Sapphire

Pyrope and Sapphire Optical Properties

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1 Optical Properties
1.1 Luster
Greasy, Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
None
Strong
1.3 Dispersion
0.020.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.720-1.7561.762-1.788
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not Available0.008-0.009
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyrope and Sapphire Optic Character

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

Pyrope and Sapphire Transparency

Similar to their colors, Pyrope and Sapphire 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.