×

Alabaster
Alabaster

Anhydrite
Anhydrite



ADD
Compare
X
Alabaster
X
Anhydrite

Alabaster and Anhydrite Optical Properties

Optical Properties

Luster

-
Pearly, Greasy

Pleochroism

-
For violet varieties

Dispersion

-0.01
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.520-1.5301.570-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

0.0100.042-0.044
0 0.296
👆🏻

Clarity

Translucent
Transparent

Alabaster and Anhydrite Optic Character

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

Alabaster and Anhydrite Transparency

Similar to their colors, Alabaster 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, Alabaster is Translucent while Alabaster is Translucent in appearance.