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Crocoite
Crocoite

Variscite
Variscite



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Crocoite
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Variscite

Crocoite and Variscite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Waxy

Pleochroism

Distinctly trichroic
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

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

Refractive Index

2.31-2.661.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Orthorhombic

Birefringence

-99990.031
0 0.296
👆🏻

Clarity

Transparent
Translucent

Crocoite and Variscite Optic Character

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

Crocoite and Variscite Transparency

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