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Lepidocrocite
Lepidocrocite

Lapis lazuli
Lapis lazuli



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X
Lepidocrocite
X
Lapis lazuli

Lepidocrocite and Lapis lazuli Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

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

Dispersion

0.02-
0.005 1
👆🏻

Transparency

-
Opaque

Refractive Index

1.9401.500-1.670
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Lepidocrocite and Lapis lazuli Optic Character

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

Similar to their colors, Lepidocrocite and Lapis lazuli 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.