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Sphalerite and Shattuckite Optical Properties


Shattuckite and Sphalerite Optical Properties


Optical Properties

Luster
Adamantine   
Silky   

Pleochroism
AbsentWalter Schumann   
X = very pale blue; Y = pale blue; Z = deep blue   

Dispersion
0.16   
4
Not Available   

Transparency
Transparent, Translucent   
Translucent   

Refractive Index
2.368-2.371   
1.752-1.815   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Orthorhombic   

Birefringence
Not Available   
0.063   

Clarity
Transparent   
Translucent   

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Sphalerite and Shattuckite Optic Character

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

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

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