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Piretite

Name: Piretite

Location: Shinkolobwe, Shaba, Zaïre

Name Reference: The mineral is named for Paul Piret, Professor of Crystallography, University of Louvain-la-Neuve, Belgium

Chemical Formula: Ca(UO2)3(SeO3)2(OH)4 · 4H2O

Crystal System and Class:  Orthorhombic - (Bi)pyramidal

Accompanying Minerals:

Origin (Determinator + Year): Deliens M. 1995

Publication: Piretite, Ca(UO2)3(SeO3)2(OH)4H2O, a new calcium uranyl selenite from Shinkolobwe, Shaba, Zaire

Renaud Vochten, Norbert Blaton & Oswald Peeters, Michel Deliens. The Canadian Mineralogist. Vol. 34 pp. 1317-1322. 1996

 

Info : http://www.mindat.org/min-7238.html