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Thomsonite
Thomsonite

Pyrope Almandine
Pyrope Almandine



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Thomsonite
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Pyrope Almandine

Thomsonite and Pyrope Almandine Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
TransparentGemdat.org

Refractive Index

1.510-1.5501.73-1.77
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.015-0.020-9999
0 0.296
👆🏻

Clarity

Translucent
TransparentGemdat.org

Thomsonite and Pyrope Almandine Optic Character

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

Thomsonite and Pyrope Almandine Transparency

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