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Boulder Opal
Boulder Opal

Chrysocolla
Chrysocolla



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Boulder Opal
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Chrysocolla

Boulder Opal and Chrysocolla Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Opaque

Refractive Index

1.370-1.4701.460-1.570
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.023-0.050
0 0.296
👆🏻

Clarity

Transparent
-

Boulder Opal and Chrysocolla Optic Character

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

Boulder Opal and Chrysocolla Transparency

Similar to their colors, Boulder Opal and Chrysocolla 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, Boulder Opal is Transparent and Translucent while Boulder Opal is Transparent and Translucent in appearance.