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Variscite
Variscite

Omphacite
Omphacite



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Variscite and Omphacite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Waxy
Vitreous
1.2 Pleochroism
MissingWalter Schumann
Weak: colorless -- very pale green -- very pale green
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent, Opaque . May be translucent when backlit on the edges.
TranslucentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.560-1.594
1.662-1.723
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.031
Not Available
1.9 Clarity
Translucent
TranslucentAnthony et al

Variscite and Omphacite Optic Character

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

Similar to their colors, Variscite and Omphacite 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.