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Idocrase
Idocrase

Crocoite
Crocoite



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Idocrase
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Crocoite

Idocrase and Crocoite Optical Properties

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Optical Properties

Luster

-
Adamantine

Pleochroism

-
Distinctly trichroic

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.67-1.762.31-2.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent

Idocrase and Crocoite Optic Character

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

Idocrase and Crocoite Transparency

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