| Brugger, J., Armbruster, T., Criddle, A., Berlepsch, P., Graeser, S., Reeves, S. (2001) Description, crystal structure, and paragenesis of krettnichite, PbMn3+2(VO4)2(OH)2, the Mn3+ analogue of mounanaite. European Journal of Mineralogy: 13: 145-158. |
Manganese mine, Krettnich, Wadern, Merzig-Wadern, Saarland, Germany