Mineral Index

This book provides an up-to-date alphabetical list of the names of all known mineral species, varieties and synonyms. The source of each name is given and, for the species and important varieties, details of the mineral's chemical composition and unit cell are provided. Also included, where known, are the type locality for each named mineral and details of important changes in the chemical formulation of each species. This is the third edition of the book popularly known as "Hey's Index". The major departure in this new edition is that the information is provided alphabetically. A finding index for recognized mineral species, based in their chemical composition, is also provided.