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Shattuckite
Shattuckite

Carnallite
Carnallite



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X
Shattuckite
X
Carnallite

Shattuckite and Carnallite Optical Properties

Optical Properties

Luster

Silky
Greasy

Pleochroism

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

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.752-1.8151.467
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0630.0270
0 0.296
👆🏻

Clarity

Translucent
-

Shattuckite and Carnallite Optic Character

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

Shattuckite and Carnallite Transparency

Similar to their colors, Shattuckite and Carnallite 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, Shattuckite is Translucent while Shattuckite is Translucent in appearance.