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Fuchsite
Fuchsite

Cavansite
Cavansite



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Fuchsite
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Cavansite

Fuchsite and Cavansite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

-
Visible: X=Z= colorless Y= blue

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.552-1.6181.542
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

-99990.009
0 0.296
👆🏻

Clarity

Transparent
-

Fuchsite and Cavansite Optic Character

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

Fuchsite and Cavansite Transparency

Similar to their colors, Fuchsite 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, Fuchsite is Transparent while Fuchsite is Transparent in appearance.