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Danburite
Danburite

Lepidocrocite
Lepidocrocite



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Danburite
X
Lepidocrocite

Danburite and Lepidocrocite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
-

Pleochroism

Weak: pale yellow yellow
Strong; X = colorless to yellow; Y = orange

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.627-1.6391.940
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.006-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Danburite and Lepidocrocite Optic Character

Danburite and Lepidocrocite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Danburite 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 Danburite 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. Danburite has Biaxial/+ character.

Danburite and Lepidocrocite Transparency

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