Hey's mineral index : mineral species, varieties, and synonyms - Clark, Andrew, 1942-; Hey, Max H. (Max Hutchinson). Index of mineral species & varieties arranged chemically (London : Chapman & Hall, 1993)
Rev ed. of : An Index of mineral species & varieties arranged chemically / Max H. Hey. 2nd., rev. ed. 1962.
Keywords: Mineralogy -- Nomenclature