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Shattuckite
Shattuckite

Glaucophane
Glaucophane



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Shattuckite
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Glaucophane

Shattuckite and Glaucophane Optical Properties

Optical Properties

Luster

Silky
Vitreous, Pearly

Pleochroism

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

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.752-1.8151.606-1.637
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.063-9999
0 0.296
👆🏻

Clarity

Translucent
-

Shattuckite and Glaucophane Optic Character

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

Similar to their colors, Shattuckite and Glaucophane 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.