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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 - Sulphates


	25.1	Sulphates of the alkali metals and ammonium
	25.2	Sulphates of Cu and Ag
	25.3	Sulphates of Mg
	25.4	Sulphates of Ca, Sr and Ba
	25.5	Sulphates of Zn and Hg
	25.6	Sulphates of Al and Tl
	25.7	Sulphates of Pb
	25.8	Sulphates of Sb, V, Cr and U
	25.9	Sulphates of Mn
	25.10	Sulphates of Fe alone
	25.11	Sulphates of Fe and other metals
	25.12	Sulphates of Co and Ni
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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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