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Steatite
Steatite

Cuprite
Cuprite



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Steatite
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Cuprite

Steatite and Cuprite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
visible
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
TranslucentWalter Schumann
1.5 Refractive Index
1.539-1.5962.849
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
cubic
1.8 Birefringence
0.046-0.050Not Available
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
TranslucentWalter Schumann

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.

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.