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Legrandite
Legrandite

Lepidocrocite
Lepidocrocite



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X
Legrandite
X
Lepidocrocite

Legrandite and Lepidocrocite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

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

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.702-1.7401.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.060-9999
0 0.296
👆🏻

Clarity

-
-

Legrandite and Lepidocrocite Optic Character

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

Legrandite and Lepidocrocite Transparency

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