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Cavansite
Cavansite

Charlesite
Charlesite



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Cavansite
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Charlesite

Cavansite and Charlesite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Visible: X=Z= colorless Y= blue
Nearly colorless to pale golden yellow

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5421.492
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

-
-

Cavansite and Charlesite Optic Character

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

Similar to their colors, Cavansite and Charlesite 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.