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Lepidocrocite
Lepidocrocite

Cassiterite
Cassiterite



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X
Lepidocrocite
X
Cassiterite

Lepidocrocite and Cassiterite Optical Properties

Optical Properties

Luster

-
Adamantine, Greasy

Pleochroism

Strong; X = colorless to yellow; Y = orange
Pleochroic haloes have been observed. Dichroic in yellow

Dispersion

0.020.07
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.9401.990-2.105
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

-99990.096-0.098
0 0.296
👆🏻

Clarity

-
Transparent

Lepidocrocite and Cassiterite Optic Character

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

Similar to their colors, Lepidocrocite and Cassiterite 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.