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Lepidocrocite
Lepidocrocite

Dioptase
Dioptase



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X
Lepidocrocite
X
Dioptase

Lepidocrocite and Dioptase Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

Strong; X = colorless to yellow; Y = orange
Weak; dark emerald green

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.9401.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

-99990.051-0.053
0 0.296
👆🏻

Clarity

-
TranslucentHerve Nicolas Lazzarelli

Lepidocrocite and Dioptase Optic Character

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

Similar to their colors, Lepidocrocite and Dioptase 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.