×

Ammolite
Ammolite

Nephrite
Nephrite



ADD
Compare
X
Ammolite
X
Nephrite

Ammolite and Nephrite Optical Properties

Add ⊕

Optical Properties

Luster

Silky, Vitreous
Vitreous, Greasy

Pleochroism

None
None

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.520-1.6701.600-1.627
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.135-0.1450.027
0 0.296
👆🏻

Clarity

-
Translucent

Ammolite and Nephrite Optic Character

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

Ammolite and Nephrite Transparency

Similar to their colors, Ammolite and Nephrite 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, Ammolite is while Ammolite is in appearance.