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Strontianite and Steatite Optical Properties


Steatite and Strontianite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent   
Gemmological Tables (2004)   

Refractive Index
1.517-1.667   
1.539-1.596   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
Not Available   
0.046-0.050   

Clarity
Transparent   
OpaqueUlrich Henn and Claudio C. Milisenda   

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Strontianite and Steatite Optic Character

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

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Strontianite and Steatite Transparency

Similar to their colors, Strontianite 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, Strontianite is Transparent while Strontianite is Transparent in appearance.

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