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Pyrope
Pyrope

Dumortierite quartz
Dumortierite quartz



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Pyrope
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Dumortierite quartz

Pyrope and Dumortierite quartz Optical Properties

Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.720-1.756-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Pyrope and Dumortierite quartz Optic Character

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

Similar to their colors, Pyrope and Dumortierite quartz 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.