×

Nepheline
Nepheline

Legrandite
Legrandite



ADD
Compare
X
Nepheline
X
Legrandite

Nepheline and Legrandite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
Not Available
Colorless
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Gems
1.5 Refractive Index
1.529-1.5471.702-1.740
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.003-0.0040.060
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Nepheline and Legrandite Optic Character

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

Similar to their colors, Nepheline and Legrandite 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.