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Agrellite
Agrellite

Pollucite
Pollucite



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Agrellite
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Pollucite

Agrellite and Pollucite Optical Properties

Optical Properties

Luster

Pearly
Vitreous, Greasy

Pleochroism

colorless.
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.5671.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Isometric

Birefringence

0.014-9999
0 0.296
👆🏻

Clarity

-
Transparent

Agrellite and Pollucite Optic Character

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

Agrellite and Pollucite Transparency

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