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Variscite
Variscite

Hercynite
Hercynite



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Variscite
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Hercynite

Variscite and Hercynite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Waxy
Vitreous
1.2 Pleochroism
MissingWalter Schumann
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
Translucent
1.5 Refractive Index
1.560-1.5941.80-1.83
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
1.8 Birefringence
0.031Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Variscite and Hercynite Optic Character

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

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