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Milk Opal
Milk Opal

Charlesite
Charlesite



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Milk Opal
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Charlesite

Milk Opal and Charlesite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Nearly colorless to pale golden yellow

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.37-1.521.492
1 3.25
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Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Milk Opal and Charlesite Optic Character

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

Similar to their colors, Milk Opal and Charlesite 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.