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Cavansite
Cavansite

Marialite
Marialite



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Cavansite
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Marialite

Cavansite and Marialite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly, Resinous

Pleochroism

Visible: X=Z= colorless Y= blue
-

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5421.540-1.550
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.0090.004-0.008
0 0.296
👆🏻

Clarity

-
Transparent

Cavansite and Marialite Optic Character

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

Similar to their colors, Cavansite and Marialite 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.