Codification of unnamed minerals D. G.W. Smith, E. H. Nickel South African Journal of Geology · Volume 111, Issue 1 (2008) · pp. 114–116 DOI: 10.2113/gssajg.111.1.114 Abstract No abstract Article information Published1 March 2008 Languageen PublisherGeological Society of South Africa LicenseNo license URL DOI10.2113/gssajg.111.1.114 Journal ISSN1012-0750; 1996-8590