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Pyrope
Pyrope

Natrolite
Natrolite



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Pyrope
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Natrolite

Pyrope and Natrolite Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Vitreous, Silky, Pearly

Pleochroism

None
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.720-1.7561.478-1.493
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

-99990.012-0.013
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyrope and Natrolite Optic Character

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

Similar to their colors, Pyrope and Natrolite 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.