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Cavansite
Cavansite

Serandite
Serandite



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Cavansite
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Serandite

Cavansite and Serandite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Silky, Greasy

Pleochroism

Visible: X=Z= colorless Y= blue
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5421.672-1.708
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.0090.036
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Cavansite and Serandite Optic Character

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

Similar to their colors, Cavansite and Serandite 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.