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Rock Crystal
Rock Crystal

Variscite
Variscite



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Rock Crystal
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Variscite

Rock Crystal and Variscite Optical Properties

Optical Properties

Luster

-
Vitreous, Waxy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

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

Refractive Index

1.544-1.5531.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0090.031
0 0.296
👆🏻

Clarity

TransparentWalter Schumann
Translucent

Rock Crystal and Variscite Optic Character

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

Rock Crystal and Variscite Transparency

Similar to their colors, Rock Crystal 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, Rock Crystal is TransparentWalter Schumann while Rock Crystal is TransparentWalter Schumann in appearance.