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Steatite
Steatite

Andradite
Andradite



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Steatite
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Andradite

Steatite and Andradite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine, Resinous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NA0.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent
1.5 Refractive Index
1.539-1.5961.88-1.94
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
cubic
1.8 Birefringence
0.046-0.0500.057
Achroite
0 0.296
1.9 Clarity
OpaqueUlrich Henn and Claudio C. Milisenda
Transparent

Steatite and Andradite Optic Character

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

Similar to their colors, Steatite and Andradite 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.