Hey

From Mindat

Preferred abbreviation:

Full: Hey's Mineral Index

Other: 3 editions of the book.

1st ed. 1950 "An Index of Mineral Species and Varieties arranged Chemically" or "The Chemical Index of Minerals"
2nd ed. 1955 (1962, 1975 reprinted with corrections)
3rd ed. A. M. Clark (1993) "Hey's Mineral Index: Mineral species, varieties and synonyms" Chapman & Hall, London