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Sunstone
Sunstone

Ammolite
Ammolite



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Sunstone
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Ammolite

Sunstone and Ammolite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Weak or absentWalter Schumann
0.01
Transparent, Translucent, Transparent to translucent
1.53-1.55
-
Triclinic
0.007-0.010
Transparent to translucent
 
Silky, Vitreous
None
0.01
-
1.520-1.670
-
Trigonal
0.135-0.145
-

Sunstone and Ammolite Optic Character

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

Sunstone and Ammolite Transparency

Similar to their colors, Sunstone 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, Sunstone is while Sunstone is in appearance.