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Sphalerite
Sphalerite

White Opal
White Opal



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Sphalerite
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White Opal

Sphalerite and White Opal Optical Properties

Optical Properties

Luster

Adamantine
-

Pleochroism

-
-

Dispersion

0.160.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

2.368-2.3711.37-1.52
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Sphalerite and White Opal Optic Character

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

Sphalerite and White Opal Transparency

Similar to their colors, Sphalerite and White 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, Sphalerite is Transparent and Translucent while Sphalerite is Transparent and Translucent in appearance.