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Nepheline
Nepheline

Variscite
Variscite



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Variscite

Nepheline and Variscite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Waxy
1.2 Pleochroism
Not Available
MissingWalter Schumann
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.529-1.547
1.560-1.594
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Orthorhombic
1.8 Birefringence
0.003-0.004
0.031
1.9 Clarity
Transparent
Translucent

Nepheline and Variscite Optic Character

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

Nepheline and Variscite Transparency

Similar to their colors, Nepheline 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, Nepheline is Translucent and Transparent while Nepheline is Translucent and Transparent in appearance.