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Pezzottaite
Pezzottaite

Variscite
Variscite



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Pezzottaite
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Variscite

Pezzottaite and Variscite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Waxy

Pleochroism

Moderate dichroic
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Translucent, Opaque . May be translucent when backlit on the edges.

Refractive Index

1.598-1.6201.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.008-0.0110.031
0 0.296
👆🏻

Clarity

Transparent
Translucent

Pezzottaite and Variscite Optic Character

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

Pezzottaite and Variscite Transparency

Similar to their colors, Pezzottaite and Variscite 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, Pezzottaite is Transparent while Pezzottaite is Transparent in appearance.