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Pyrope
Pyrope

Thomsonite
Thomsonite



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Pyrope
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Thomsonite

Pyrope and Thomsonite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Vitreous, Pearly

Pleochroism

None
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.720-1.7561.510-1.550
1 3.25
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Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

-99990.015-0.020
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Pyrope and Thomsonite Optic Character

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

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