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Shattuckite and Caledonite Optical Properties


Caledonite and Shattuckite Optical Properties


Optical Properties

Luster
Silky   
Vitreous   

Pleochroism
X = very pale blue; Y = pale blue; Z = deep blue   
Weak   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent   

Refractive Index
1.752-1.815   
1.818-1.909   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.063   
0.091   

Clarity
Translucent   
Transparent   

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Shattuckite and Caledonite Optic Character

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

Similar to their colors, Shattuckite and Caledonite 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.

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Blue Gemstones


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