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Danburite
Danburite

Axinite
Axinite



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Danburite
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Axinite

Danburite and Axinite Optical Properties

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Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

Weak: pale yellow yellow
Strong

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.627-1.6391.656-1.704
1 3.25
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Optic Character

Biaxial/+
Biaxial/+

Crystal System

Orthorhombic
Triclinic

Birefringence

0.0060.009-0.012
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Danburite and Axinite Optic Character

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

Danburite and Axinite Transparency

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