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Lepidocrocite
Lepidocrocite

Poudretteite
Poudretteite



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Lepidocrocite
X
Poudretteite

Lepidocrocite and Poudretteite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

Strong; X = colorless to yellow; Y = orange
Colorless

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.9401.511-1.532
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

-99990.021
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Lepidocrocite and Poudretteite Optic Character

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

Similar to their colors, Lepidocrocite and Poudretteite 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.