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Steatite
Steatite

Eudialyte
Eudialyte



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Steatite
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Eudialyte

Steatite and Eudialyte Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
1.539-1.596
-
-
0.046-0.050
OpaqueUlrich Henn and Claudio C. Milisenda
 
Vitreous
Weak: O= colorless
0.01
Translucent
1.591-1.633
-
Trigonal
0.003-0.010
Translucent

Steatite and Eudialyte Optic Character

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

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