The Commission on New Minerals and Mineral Names (CNMMN) of the International Mineralogical Association (IMA) approved in 2002 a list containing the 4,000 or so minerals and mineral names on which the CNMMN has officially taken a decision since 1959 concerning their approval (A), discreditation (D), and redefinition (R); this list was updated in February 2004. This so-called ARD list is part of the website (www.geo.vu.nl/~ima-cnmmn) of the Commission, since July 2006 renamed Commission on New Minerals, Nomenclature and Classification (CNMNC) after a merger with the IMA Commission on Classification of Minerals (CCM). The ARD list was drafted...

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