Wurtzite

Wurtzite is a mineral. It is mostly made of zinc sulfide with small amounts of iron, and has the chemical formula (Zn,Fe)S. It is a structural polymorph of the more common mineral sphalerite. It is generally more stable than sphalerite at high temperatures, with sphalerite changing to wurtzite at 1,020 °C (1,870 °F; 1,290 K).^[1]

Structure

Wurtzite gives its name to the wurtzite crystal structure. Both the zinc and sulfur atoms form hexagonal close-packed lattices, with the atoms of the other element filling half of the tetrahedral interstitial sites.

References

↑ Ramavath, P.; Biswas, P.; Kumar, R.S.; Mahendar, V.; Rao, G.V.N.; Hareesh, U.S.; Johnson, R.; Prasad, N.E. (2011). "Effect of sphalerite to wurtzite crystallographic transformation on microstructure, optical and mechanical properties of zinc sulphide ceramics". Ceramics International. 37 (3): 1039–1046. doi:10.1016/j.ceramint.2010.11.032.

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[1] Ramavath, P.; Biswas, P.; Kumar, R.S.; Mahendar, V.; Rao, G.V.N.; Hareesh, U.S.; Johnson, R.; Prasad, N.E. (2011). "Effect of sphalerite to wurtzite crystallographic transformation on microstructure, optical and mechanical properties of zinc sulphide ceramics". Ceramics International. 37 (3): 1039–1046. doi:10.1016/j.ceramint.2010.11.032.

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