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Pyrope
Pyrope

Lepidocrocite
Lepidocrocite



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X
Pyrope
X
Lepidocrocite

Pyrope and Lepidocrocite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
-

Pleochroism

None
Strong; X = colorless to yellow; Y = orange

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.720-1.7561.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Pyrope and Lepidocrocite Optic Character

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

Similar to their colors, Pyrope and Lepidocrocite 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.