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Milk Opal
Milk Opal

Cavansite
Cavansite



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Milk Opal
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Cavansite

Milk Opal and Cavansite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
Visible: X=Z= colorless Y= blue

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.37-1.521.542
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.009
0 0.296
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Clarity

-
-

Milk Opal and Cavansite Optic Character

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

Similar to their colors, Milk Opal and Cavansite 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.