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Pyrope
Pyrope

Citrine
Citrine



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Pyrope
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Citrine

Pyrope and Citrine Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
Natural: weak; yellow light yellow.

Dispersion

0.020.01
0.005 1
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Transparency

-
Transparent

Refractive Index

1.720-1.7561.544-1.553
1 3.25
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Optic Character

-
-

Crystal System

cubic
Trigonal

Birefringence

-99990.009
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyrope and Citrine Optic Character

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

Similar to their colors, Pyrope and Citrine 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.