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Pyrope
Pyrope

Lazulite
Lazulite



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Pyrope
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Lazulite

Pyrope and Lazulite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli

Dispersion

0.020.01
0.005 1
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Transparency

-
Transparent, Translucent

Refractive Index

1.720-1.7561.604-1.646
1 3.25
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Optic Character

-
-

Crystal System

cubic
monoclinic

Birefringence

-99990.031-0.036
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyrope and Lazulite Optic Character

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

Similar to their colors, Pyrope and Lazulite 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.