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Milk Opal
Milk Opal

Variscite
Variscite



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Milk Opal
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Variscite

Milk Opal and Variscite Optical Properties

Optical Properties

Luster

-
Vitreous, Waxy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
Translucent, Opaque . May be translucent when backlit on the edges.

Refractive Index

1.37-1.521.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.031
0 0.296
👆🏻

Clarity

-
Translucent

Milk Opal and Variscite Optic Character

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

Similar to their colors, Milk Opal and Variscite 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.