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Anatase
Anatase

Variscite
Variscite



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Anatase
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Variscite

Anatase and Variscite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
Weak
0.21
Transparent
2.488-2.562
-
tetragonal
0.073
Transparent
 
Vitreous, Waxy
-
0.01
Translucent, Opaque . May be translucent when backlit on the edges.
1.560-1.594
-
Orthorhombic
0.031
Translucent

Anatase and Variscite Optic Character

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

Anatase and Variscite Transparency

Similar to their colors, Anatase 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, Anatase is while Anatase is in appearance.