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Celestine
Celestine

Anhydrite
Anhydrite



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Celestine
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Anhydrite

Celestine and Anhydrite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Pearly, Greasy

Pleochroism

Weakly trichroiC
For violet varieties

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.619-1.6351.570-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.004-0.0120.042-0.044
0 0.296
👆🏻

Clarity

-
Transparent

Celestine and Anhydrite Optic Character

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

Celestine and Anhydrite Transparency

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