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Variscite
Variscite

Eudialyte
Eudialyte



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Variscite
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Eudialyte

Variscite and Eudialyte Optical Properties

Optical Properties

Luster

Vitreous, Waxy
Vitreous

Pleochroism

-
Weak: O= colorless

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

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

Refractive Index

1.560-1.5941.591-1.633
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.0310.003-0.010
0 0.296
👆🏻

Clarity

Translucent
Translucent

Variscite and Eudialyte Optic Character

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

Variscite and Eudialyte Transparency

Similar to their colors, Variscite and Eudialyte 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, Variscite is Translucent and Opaque . May be translucent when backlit on the edges. while Variscite is Translucent and Opaque . May be translucent when backlit on the edges. in appearance.