certainty of origin : Transmitted by the person whom the mineral was dedicated.
author(s) : Brooke
date of publication : 1823
source : Ann.Phil.(383)
formula : anorthite
comments about the origin : etiquette Saemann coll.Adam No1370 obtenu par Saemann 1863 ("du morceau original communique a Mr Latrobe par Mr Koelbing")
catalog number(s) : 23517
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP