author(s) : Frondel and Strunz
date of publication : 1960
source : Neues Jahrb. fuer Min. Monatsch. p.132-142
formula : Pb3Ge(SO4)2 (OH)6 3H2O
comments about the origin : 1)Frondel 1963 <Catalog number : 16463>
. 2) Strunz (cotype)
catalog number(s) : 16463
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP