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Sphalerite
Sphalerite

Shattuckite
Shattuckite



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Sphalerite
X
Shattuckite

Sphalerite and Shattuckite Optical Properties

Optical Properties

Luster

Adamantine
Silky

Pleochroism

-
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.160.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

2.368-2.3711.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Orthorhombic

Birefringence

-99990.063
0 0.296
👆🏻

Clarity

Transparent
Translucent

Sphalerite and Shattuckite Optic Character

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

Similar to their colors, Sphalerite and Shattuckite 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.