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Obsidian
Obsidian

Lepidocrocite
Lepidocrocite



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Obsidian
X
Lepidocrocite

Obsidian and Lepidocrocite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

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

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.450-1.5501.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Obsidian and Lepidocrocite Optic Character

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

Obsidian and Lepidocrocite Transparency

Similar to their colors, Obsidian 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, Obsidian is Transparent and Translucent while Obsidian is Transparent and Translucent in appearance.