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Phosphophyllite
Phosphophyllite

Uvarovite
Uvarovite



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Phosphophyllite
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Uvarovite

Phosphophyllite and Uvarovite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.595-1.6211.87
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
cubic

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Phosphophyllite and Uvarovite Optic Character

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

Phosphophyllite and Uvarovite Transparency

Similar to their colors, Phosphophyllite and Uvarovite 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, Phosphophyllite is while Phosphophyllite is in appearance.