author(s) : Pryce and Just
date of publication : 1974
source : Min.Mag.(39) p.737-743
formula : (Cu,Ni)2 (CO3)(OH)2
comments about the origin : Just 1976
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP