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Milk Opal
Milk Opal

Lepidocrocite
Lepidocrocite



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X
Milk Opal
X
Lepidocrocite

Milk Opal and Lepidocrocite Optical Properties

Optical Properties

Luster

-
-

Pleochroism

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

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.37-1.521.940
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Milk Opal and Lepidocrocite Optic Character

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

Milk Opal and Lepidocrocite Transparency

Similar to their colors, Milk Opal 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, Milk Opal is Translucent while Milk Opal is Translucent in appearance.