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Shattuckite
Shattuckite

Zoisite
Zoisite



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X
Shattuckite
X
Zoisite

Shattuckite and Zoisite Optical Properties

Optical Properties

Luster

Silky
Vitreous

Pleochroism

X = very pale blue; Y = pale blue; Z = deep blue
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

Dispersion

0.020.02
0.005 1
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Transparency

Translucent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

Refractive Index

1.752-1.8151.685-1.707
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0630.006-0.018
0 0.296
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Clarity

Translucent
Transparent

Shattuckite and Zoisite Optic Character

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

Similar to their colors, Shattuckite and Zoisite 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.