Template:Sphalerite
From The Gemology Project
Revision as of 05:30, 2 October 2006 by Africanuck (talk | contribs)
Sphalerite | |
---|---|
Chemical composition | Zinc Sulphide |
Crystal system | Cubic |
Habit | edit me |
Cleavage | perfect |
Fracture | edit me |
Hardness | 3.5 |
Optic nature | edit me |
Refraction index | 2.36 - 2.37 |
Birefringence | none |
Dispersion | edit me |
Specific gravity | 4.09 |
Lustre | Metallic to Vitreous |
Pleochroism | edit me |