×

Strontianite
Strontianite

Anhydrite
Anhydrite



ADD
Compare
X
Strontianite
X
Anhydrite

Strontianite and Anhydrite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Pearly, Greasy

Pleochroism

-
For violet varieties

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.517-1.6671.570-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.042-0.044
0 0.296
👆🏻

Clarity

Transparent
Transparent

Strontianite and Anhydrite Optic Character

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

Strontianite and Anhydrite Transparency

Similar to their colors, Strontianite and Anhydrite 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.