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Spodumene
Spodumene

Steatite
Steatite



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Spodumene
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Steatite

Spodumene and Steatite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Strong in kunzite: α-purple
0.02
Transparent
1.657-1.681
-
monoclinic
0.014-0.018
-
 
-
-
0.01
-
1.539-1.596
-
-
0.046-0.050
OpaqueUlrich Henn and Claudio C. Milisenda

Spodumene and Steatite Optic Character

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

Spodumene and Steatite Transparency

Similar to their colors, Spodumene 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, Spodumene is while Spodumene is in appearance.