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Agrellite
Agrellite

Spodumene
Spodumene



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Agrellite
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Spodumene

Agrellite and Spodumene Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

colorless.
Strong in kunzite: α-purple

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.5671.657-1.681
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
monoclinic

Birefringence

0.0140.014-0.018
0 0.296
👆🏻

Clarity

-
-

Agrellite and Spodumene Optic Character

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

Similar to their colors, Agrellite and Spodumene 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.