author(s) : Carnot
date of publication : 1879
source : Bull.Soc.Fr.Min.Crist.(2) p.117
formula : MnSO4 7H2O
comments about the origin : coll.generale NoM4122(1) obtenu par Chaper et Carnot
catalog number(s) : 2746
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP