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Pollucite
Pollucite

Axinite
Axinite



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Pollucite
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Axinite

Pollucite and Axinite Optical Properties

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Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
Strong

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.517-1.5251.656-1.704
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Isometric
Triclinic

Birefringence

-99990.009-0.012
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Pollucite and Axinite Optic Character

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

Pollucite and Axinite Transparency

Similar to their colors, Pollucite 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, Pollucite is Transparent and Translucent while Pollucite is Transparent and Translucent in appearance.