author(s) : Scacchi
date of publication : 1840
source : Memorie mineralogiche e geologiche Napoli
formula : MgO
comments about the origin : coll.generale obtenu par Scacchi
catalog number(s) : 9312
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP