×

Crocoite
Crocoite

Agrellite
Agrellite



ADD
Compare
X
Crocoite
X
Agrellite

Crocoite and Agrellite Optical Properties

Optical Properties

Luster

Adamantine
Pearly

Pleochroism

Distinctly trichroic
colorless.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.31-2.661.567
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Triclinic

Birefringence

-99990.014
0 0.296
👆🏻

Clarity

Transparent
-

Crocoite and Agrellite Optic Character

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

Crocoite and Agrellite Transparency

Similar to their colors, Crocoite and Agrellite 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, Crocoite is Transparent while Crocoite is Transparent in appearance.