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Azurmalachite
Azurmalachite

Opal
Opal



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Azurmalachite
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Opal

Azurmalachite and Opal Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous, Pearly

Pleochroism

-
None

Dispersion

0.070.01
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.655-1.9091.37-1.52
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

monoclinic
Trigonal

Birefringence

0.108-0.254-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Azurmalachite and Opal Optic Character

Azurmalachite and Opal optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Azurmalachite and Opal 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 Azurmalachite and Opal 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. Azurmalachite has Biaxial/+ character.

Azurmalachite and Opal Transparency

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