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Citrine
Citrine

Pyrope
Pyrope



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Citrine
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Pyrope

Citrine and Pyrope Optical Properties

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Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

Natural: weak; yellow light yellow.
None

Dispersion

0.010.02
0.005 1
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Transparency

Transparent
-

Refractive Index

1.544-1.5531.720-1.756
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
cubic

Birefringence

0.009-9999
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Citrine and Pyrope Optic Character

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

Citrine and Pyrope Transparency

Similar to their colors, Citrine 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, Citrine is Transparent while Citrine is Transparent in appearance.