certainty of origin : Cotype (used for additional information).
author(s) : Colomba
date of publication : 1914
source : Atti Acad. Sci.Torino (49) p.625
formula : var. de hornblende
comments about the origin : etiquette Palumbo Roma ech.Palumbo 1966
catalog number(s) : 22965
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP