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Lepidocrocite
Lepidocrocite

Crocoite
Crocoite



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X
Lepidocrocite
X
Crocoite

Lepidocrocite and Crocoite Optical Properties

Optical Properties

Luster

-
Adamantine

Pleochroism

Strong; X = colorless to yellow; Y = orange
Distinctly trichroic

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.9402.31-2.66
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent

Lepidocrocite and Crocoite Optic Character

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

Lepidocrocite and Crocoite Transparency

Similar to their colors, Lepidocrocite 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, Lepidocrocite is while Lepidocrocite is in appearance.