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Vanadinite
Vanadinite

Phosphophyllite
Phosphophyllite



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Vanadinite
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Phosphophyllite

Vanadinite and Phosphophyllite Optical Properties

Optical Properties

Luster

Resinous
-

Pleochroism

-
-

Dispersion

0.150.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.4161.595-1.621
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
-

Birefringence

0.0660.021
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Vanadinite and Phosphophyllite Optic Character

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

Vanadinite and Phosphophyllite Transparency

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