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Chlorastrolite
Chlorastrolite

Cavansite
Cavansite



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Chlorastrolite
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Cavansite

Chlorastrolite and Cavansite Optical Properties

Optical Properties

Luster

Chatoyant
Vitreous, Pearly

Pleochroism

-
Visible: X=Z= colorless Y= blue

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.71.542
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0100.009
0 0.296
👆🏻

Clarity

-
-

Chlorastrolite and Cavansite Optic Character

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

Chlorastrolite and Cavansite Transparency

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