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Axinite
Axinite

Cavansite
Cavansite



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Axinite
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Cavansite

Axinite and Cavansite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Strong
Visible: X=Z= colorless Y= blue

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.656-1.7041.542
1 3.25
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Optic Character

Biaxial/+
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.009-0.0120.009
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Axinite and Cavansite Optic Character

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

Axinite and Cavansite Transparency

Similar to their colors, Axinite 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, Axinite is while Axinite is in appearance.