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Tugtupite
Tugtupite

Variscite
Variscite



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Tugtupite
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Variscite

Tugtupite and Variscite Optical Properties

Optical Properties

Luster

-
Vitreous, Waxy

Pleochroism

ModerateArthur Thomas
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

OpaqueHerve Nicolas Lazzarelli
Translucent, Opaque . May be translucent when backlit on the edges.

Refractive Index

1.494-1.5041.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.0080.031
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
Translucent

Tugtupite and Variscite Optic Character

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

Tugtupite and Variscite Transparency

Similar to their colors, Tugtupite 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, Tugtupite is OpaqueHerve Nicolas Lazzarelli while Tugtupite is OpaqueHerve Nicolas Lazzarelli in appearance.