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Liddicoatite
Liddicoatite

Crocoite
Crocoite



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Liddicoatite
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Crocoite

Liddicoatite and Crocoite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

Strong: dark brown light brownAnthony et al
Distinctly trichroic

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

-99992.31-2.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Liddicoatite and Crocoite Optic Character

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

Liddicoatite and Crocoite Transparency

Similar to their colors, Liddicoatite 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, Liddicoatite is Transparent while Liddicoatite is Transparent in appearance.