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Cavansite
Cavansite

Montebrasite
Montebrasite



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Cavansite
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Montebrasite

Cavansite and Montebrasite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

Visible: X=Z= colorless Y= blue
-

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
TransparentWalter Schumann

Refractive Index

1.5421.578-1.646
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.0090.020-0.030
0 0.296
👆🏻

Clarity

-
TransparentWalter Schumann

Cavansite and Montebrasite Optic Character

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

Similar to their colors, Cavansite and Montebrasite 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.