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Crocoite
Crocoite

Augite
Augite



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Crocoite
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Augite

Crocoite and Augite Optical Properties

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Optical Properties

Luster

Adamantine
Vitreous, Resinous

Pleochroism

Distinctly trichroic
Pale green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

2.31-2.661.671-1.774
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Crocoite and Augite Optic Character

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

Similar to their colors, Crocoite and Augite 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.