×

Anhydrite
Anhydrite

Steatite
Steatite



ADD
Compare
X
Anhydrite
X
Steatite

Anhydrite and Steatite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Pearly, Greasy
For violet varieties
0.01
Transparent
1.570-1.614
-
Orthorhombic
0.042-0.044
Transparent
 
-
-
0.01
-
1.539-1.596
-
-
0.046-0.050
OpaqueUlrich Henn and Claudio C. Milisenda

Anhydrite and Steatite Optic Character

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

Anhydrite and Steatite Transparency

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