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Cavansite
Cavansite

Piemontite
Piemontite



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Cavansite
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Piemontite

Cavansite and Piemontite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Visible: X=Z= colorless Y= blue
visible

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5421.725-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.0090.025-0.076
0 0.296
👆🏻

Clarity

-
-

Cavansite and Piemontite Optic Character

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

Similar to their colors, Cavansite and Piemontite 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.