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Agrellite
Agrellite

Opal Ethiopia
Opal Ethiopia



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Agrellite
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Opal Ethiopia

Agrellite and Opal Ethiopia Optical Properties

Optical Properties

Luster

Pearly
-

Pleochroism

colorless.
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5671.42-1.47
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
-

Birefringence

0.014-9999
0 0.296
👆🏻

Clarity

-
-

Agrellite and Opal Ethiopia Optic Character

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

Similar to their colors, Agrellite and Opal Ethiopia 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.