×

Dioptase
Dioptase

Anhydrite
Anhydrite



ADD
Compare
X
Dioptase
X
Anhydrite

Dioptase and Anhydrite Optical Properties

Optical Properties

Luster

Vitreous
Pearly, Greasy

Pleochroism

Weak; dark emerald green
For violet varieties

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Transparent

Refractive Index

1.644-1.7201.570-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.051-0.0530.042-0.044
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Dioptase and Anhydrite Optic Character

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

Dioptase and Anhydrite Transparency

Similar to their colors, Dioptase 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.