author(s) : Schoep, Borchert and Kohler
date of publication : 1955
source : Bull.Soc.Fr.Min.Crist.(78) p.84-88
formula : Cu12(OH)14 (NO3)4 (PO4)2
comments about the origin : Musee de Tervueren 1975
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP