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Agrellite
Agrellite

Shattuckite
Shattuckite



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Agrellite
X
Shattuckite

Agrellite and Shattuckite Optical Properties

Optical Properties

Luster

Pearly
Silky

Pleochroism

colorless.
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.5671.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.0140.063
0 0.296
👆🏻

Clarity

-
Translucent

Agrellite and Shattuckite Optic Character

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

Similar to their colors, Agrellite and Shattuckite 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.