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Nepheline
Nepheline

Chrysocolla
Chrysocolla



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Nepheline
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Chrysocolla

Nepheline and Chrysocolla Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Opaque

Refractive Index

1.529-1.5471.460-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

0.003-0.0040.023-0.050
0 0.296
👆🏻

Clarity

Transparent
-

Nepheline and Chrysocolla Optic Character

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

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