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Crocoite
Crocoite

Eudialyte
Eudialyte



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Crocoite
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Eudialyte

Crocoite and Eudialyte Optical Properties

Optical Properties

Luster

Adamantine
Vitreous

Pleochroism

Distinctly trichroic
Weak: O= colorless

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

2.31-2.661.591-1.633
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.003-0.010
0 0.296
👆🏻

Clarity

Transparent
Translucent

Crocoite and Eudialyte Optic Character

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

Similar to their colors, Crocoite and Eudialyte 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.