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Nepheline
Nepheline

Kunzite
Kunzite



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Nepheline
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Kunzite

Nepheline and Kunzite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
Not Available
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.529-1.5471.657-1.681
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.003-0.0040.014-0.016
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Nepheline and Kunzite Optic Character

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

Similar to their colors, Nepheline and Kunzite 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.