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Poudretteite
Poudretteite

Lepidocrocite
Lepidocrocite



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Poudretteite
X
Lepidocrocite

Poudretteite and Lepidocrocite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

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

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.511-1.5321.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Poudretteite and Lepidocrocite Optic Character

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

Poudretteite and Lepidocrocite Transparency

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