×

Sphalerite
Sphalerite

Inderite
Inderite



ADD
Compare
X
Sphalerite
X
Inderite

Sphalerite and Inderite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Pearly, Greasy

Pleochroism

-
-

Dispersion

0.16-
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

2.368-2.3711.488-1.505
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Isometric
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

-99990.017
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Sphalerite and Inderite Optic Character

Sphalerite and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sphalerite and Inderite 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 Inderite 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. Inderite has Biaxial/+ character.

Sphalerite and Inderite Transparency

Similar to their colors, Sphalerite and Inderite 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.