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Variscite
Variscite

Amblygonite
Amblygonite



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Variscite
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Amblygonite

Variscite and Amblygonite Optical Properties

Optical Properties

Luster

Vitreous, Waxy
Vitreous, Pearly

Pleochroism

-
weak to none

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

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

Refractive Index

1.560-1.5941.578-1.646
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Orthorhombic
Triclinic

Birefringence

0.0310.020-0.030
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Variscite and Amblygonite Optic Character

Variscite and Amblygonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Variscite and Amblygonite 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 Amblygonite 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. Amblygonite has Biaxial/+ character.

Variscite and Amblygonite Transparency

Similar to their colors, Variscite and Amblygonite 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.