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Shattuckite
Shattuckite

Sphalerite
Sphalerite



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Shattuckite
X
Sphalerite

Shattuckite and Sphalerite Optical Properties

Optical Properties

Luster

Silky
Adamantine

Pleochroism

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

Dispersion

0.020.16
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.752-1.8152.368-2.371
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.063-9999
0 0.296
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Clarity

Translucent
Transparent

Shattuckite and Sphalerite Optic Character

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

Shattuckite and Sphalerite Transparency

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