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Stichtite
Stichtite

Sphalerite
Sphalerite



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Stichtite
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Sphalerite

Stichtite and Sphalerite Optical Properties

Optical Properties

Luster

Waxy, Resinous
Adamantine

Pleochroism

Weak
-

Dispersion

0.020.16
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.516-1.5442.368-2.371
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

0.026-9999
0 0.296
👆🏻

Clarity

Translucent
Transparent

Stichtite and Sphalerite Optic Character

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

Stichtite and Sphalerite Transparency

Similar to their colors, Stichtite 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, Stichtite is Translucent while Stichtite is Translucent in appearance.