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Shattuckite
Shattuckite

Pollucite
Pollucite



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X
Shattuckite
X
Pollucite

Shattuckite and Pollucite Optical Properties

Optical Properties

Luster

Silky
Vitreous, Greasy

Pleochroism

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

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.752-1.8151.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.063-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Shattuckite and Pollucite Optic Character

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

Similar to their colors, Shattuckite and Pollucite 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.