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Labradorite and Shattuckite Optical Properties


Shattuckite and Labradorite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Silky   

Pleochroism
From the Congo   
X = very pale blue; Y = pale blue; Z = deep blue   

Dispersion
0.01   
28
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Translucent   

Refractive Index
1.554-1.573   
1.752-1.815   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Orthorhombic   

Birefringence
0.008-0.010   
0.063   

Clarity
Transparent   
Translucent   

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Labradorite and Shattuckite Optic Character

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

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Labradorite and Shattuckite Transparency

Similar to their colors, Labradorite 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, Labradorite is Translucent, Transparent and Transparent to translucent while Labradorite is Translucent, Transparent and Transparent to translucent in appearance.

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