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Simpsonite
Simpsonite

Shattuckite
Shattuckite



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Simpsonite
X
Shattuckite

Simpsonite and Shattuckite Optical Properties

Optical Properties

Luster

Adamantine
Silky

Pleochroism

-
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.994-2.0401.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0460.063
0 0.296
👆🏻

Clarity

-
Translucent

Simpsonite and Shattuckite Optic Character

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

Simpsonite and Shattuckite Transparency

Similar to their colors, Simpsonite 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, Simpsonite is while Simpsonite is in appearance.