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Cavansite
Cavansite

Pollucite
Pollucite



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Cavansite
X
Pollucite

Cavansite and Pollucite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Greasy

Pleochroism

Visible: X=Z= colorless Y= blue
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5421.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

-
Transparent

Cavansite and Pollucite Optic Character

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

Similar to their colors, Cavansite and Pollucite 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.