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Cavansite
Cavansite

Esperite
Esperite



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Cavansite
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Esperite

Cavansite and Esperite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Visible: X=Z= colorless Y= blue
colorless.

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
OpaqueAnthony et al, Opaque, Transparent

Refractive Index

1.5421.760-1.774
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.0090.012
0 0.296
👆🏻

Clarity

-
OpaqueAnthony et al

Cavansite and Esperite Optic Character

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

Similar to their colors, Cavansite and Esperite 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.