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Cavansite
Cavansite

Chrysoberyl
Chrysoberyl



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Cavansite
X
Chrysoberyl

Cavansite and Chrysoberyl Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Visible: X=Z= colorless Y= blue
X = red; Y = yellow-orange; Z = emerald-green

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.5421.746-1.763
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0090.007-0.013
0 0.296
👆🏻

Clarity

-
Transparent

Cavansite and Chrysoberyl Optic Character

Cavansite and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cavansite and Chrysoberyl 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 Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

Cavansite and Chrysoberyl Transparency

Similar to their colors, Cavansite and Chrysoberyl 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.