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Sardonyx
Sardonyx

Steatite
Steatite



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Sardonyx
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Steatite

Sardonyx and Steatite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.530-1.5431.539-1.596
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.008-0.0100.046-0.050
Achroite
0 0.296
1.9 Clarity
Translucent
OpaqueUlrich Henn and Claudio C. Milisenda

Sardonyx and Steatite Optic Character

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

Sardonyx and Steatite Transparency

Similar to their colors, Sardonyx and Steatite 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, Sardonyx is Translucent while Sardonyx is Translucent in appearance.