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Rossmanite
Rossmanite

Steatite
Steatite



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Rossmanite
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Steatite

Rossmanite and Steatite Optical Properties

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
TransparentWebmineral.com, Mineralogy Database (2012)
Gemmological Tables (2004)
1.5 Refractive Index
1.624-1.6451.539-1.596
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.0210.046-0.050
Achroite
0 0.296
1.9 Clarity
TransparentWebmineral.com
OpaqueUlrich Henn and Claudio C. Milisenda

Rossmanite and Steatite Optic Character

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

Rossmanite and Steatite Transparency

Similar to their colors, Rossmanite 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, Rossmanite is Mineralogy Database (2012) and TransparentWebmineral.com while Rossmanite is Mineralogy Database (2012) and TransparentWebmineral.com in appearance.