×

Sard
Sard

Ammolite
Ammolite



ADD
Compare
X
Sard
X
Ammolite

Sard and Ammolite Optical Properties

Add ⊕
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Waxy
-
0.01
Translucent
1.535-1.539
-
-
0.008-0.010
Translucent
 
Silky, Vitreous
None
0.01
-
1.520-1.670
-
Trigonal
0.135-0.145
-

Sard and Ammolite Optic Character

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

Sard and Ammolite Transparency

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