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Common Opal
Common Opal

Chrysotile
Chrysotile



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Common Opal
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Chrysotile

Common Opal and Chrysotile Optical Properties

Optical Properties

Luster

-
Silky

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.37-1.521.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Monoclinic : clinochrysotile (most common)

Birefringence

-99990.001
0 0.296
👆🏻

Clarity

Translucent
-

Common Opal and Chrysotile Optic Character

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

Common Opal and Chrysotile Transparency

Similar to their colors, Common Opal and Chrysotile 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, Common Opal is Translucent while Common Opal is Translucent in appearance.