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Anhydrite
Anhydrite

Variscite
Variscite



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Anhydrite
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Variscite

Anhydrite and Variscite Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Greasy
Vitreous, Waxy
1.2 Pleochroism
For violet varieties
MissingWalter Schumann
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.570-1.6141.560-1.594
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.042-0.0440.031
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Anhydrite and Variscite Optic Character

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

Anhydrite and Variscite Transparency

Similar to their colors, Anhydrite 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, Anhydrite is Transparent while Anhydrite is Transparent in appearance.