×

Nepheline
Nepheline

Lepidocrocite
Lepidocrocite



ADD
Compare
X
Nepheline
X
Lepidocrocite

Nepheline and Lepidocrocite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

-
Strong; X = colorless to yellow; Y = orange

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.529-1.5471.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.003-0.004-9999
0 0.296
👆🏻

Clarity

Transparent
-

Nepheline and Lepidocrocite Optic Character

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

Similar to their colors, Nepheline and Lepidocrocite 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.