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Mellite
Mellite

Pyrope
Pyrope



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Mellite
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Pyrope

Mellite and Pyrope Optical Properties

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Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

Weak: yellowish brown yellowAnthony et al
None

Dispersion

0.010.02
0.005 1
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Transparency

-
-

Refractive Index

1.509-1.5411.720-1.756
1 3.25
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Optic Character

-
-

Crystal System

-
cubic

Birefringence

0.030-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Mellite and Pyrope Optic Character

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

Mellite and Pyrope Transparency

Similar to their colors, Mellite and Pyrope 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, Mellite is while Mellite is in appearance.