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Steatite and Cuprite Optical Properties


Cuprite and Steatite Optical Properties


Optical Properties

Luster
Not Available   
Adamantine   

Pleochroism
Not Available   
visible   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004)   
TranslucentWalter Schumann   

Refractive Index
1.539-1.596   
2.849   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
cubic   

Birefringence
0.046-0.050   
Not Available   

Clarity
OpaqueUlrich Henn and Claudio C. Milisenda   
TranslucentWalter Schumann   

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Steatite and Cuprite Optic Character

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

Similar to their colors, Steatite and Cuprite 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, Steatite is Gemmological Tables (2004) while Steatite is Gemmological Tables (2004) in appearance.

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