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Sphalerite
Sphalerite

Stolzite
Stolzite



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Sphalerite
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Stolzite

Sphalerite and Stolzite Optical Properties

Optical Properties

Luster

Adamantine
Resinous, Subadamantine

Pleochroism

-
-

Dispersion

0.160.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

2.368-2.3712.180-2.190
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
tetragonal

Birefringence

-99990.090
0 0.296
👆🏻

Clarity

Transparent
-

Sphalerite and Stolzite Optic Character

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

Similar to their colors, Sphalerite and Stolzite 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.