certainty of origin : Donated directly by the Author.
author(s) : Larsen and Montgomery
date of publication : 1940
source : Am.Min.(25) p.513
formula : kolbeckite
comments about the origin : 1) Montgomery 1966 <Catalog number : 15416>
. 2) Montgomery 1969 <Catalog number : 20670> (etiquette Lafayette College Mineral Collection).
catalog number(s) : 15416,20670
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP