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Cavansite
Cavansite

Ammolite
Ammolite



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Cavansite
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Ammolite

Cavansite and Ammolite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Silky, Vitreous

Pleochroism

Visible: X=Z= colorless Y= blue
None

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5421.520-1.670
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.0090.135-0.145
0 0.296
👆🏻

Clarity

-
-

Cavansite and Ammolite Optic Character

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

Cavansite and Ammolite Transparency

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