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Hey's Chemical Index of Minerals

All CIM references are taken from the THIRD EDITION of Hey's Mineral Index, by A. Clark, Dept. of Mineralogy, Natural History Museum, London.

Book Information: 852 pages. hard cover. Published by Chapman & Hall, London 1993.

Hey's Mineral Index groups all minerals into one of 32 groups based on their chemistry. mindat.org allows you to search for minerals using these groupings.

Click below to view subgroups or minerals in each of Hey's groups.

Hey Classification 3rd edition - Arsenates (also arsenates with phosphate, but without other anions)


	20.1	Arsenates of Cu
	20.2	Arsenates of Be, Mg, Ca or Ba
	20.3	Arsenates of Zn, Cd or Hg
	20.4	Arsenates of Group III metals (Al, rare earths)
	20.5	Arsenates of Ti and Pb
	20.6	Arsenates of Bi
	20.7	Arsenates of U
	20.8	Arsenates of Mn
	20.9	Arsenates of Fe
	20.10	Arsenates of Co and Ni
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