Dana Sulfate Classification
Hydrated Sulfates with OH or Halogen

Minerals Arranged by the New Dana Classification

This arrangement of mineral species is based on Dana's New Mineralogy by Richard V. Gaines, H. Catherine Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig, with sections by Vandall T. King, Illustrations by Eric Dowty, (ISBN: 047119310-0) Copyright © 1997, John Wiley & Sons, Inc.".  This material is used by permission of John Wiley & Sons, Inc. Follow this link for a short discussion on the Dana Classification Number.

Dana Sulfate Classification
Hydrated Sulfates with OH or Halogen

31.02.02 Woodwardite Group

31.02.02.01 Woodwardite Cu4Al2(SO4)(OH)12•2-4(H2O) Unk Hex

31.02.02.02 Hydrowoodwardite! Cu1-xAlx(OH)2(SO4)x/2•n(H2O) with 0 < x < 0.67 and n > 3x/2 R 3m 3 2/m

31.02.02.03 Zincowoodwardite! [Zn1-xAlx(OH)2][(SO4)x/2(H2O)n] P 3- or R 3m 3

31.02.02.03a Zincowoodwardite-1T! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)], x = 0.33, n . 0.96 P 3 3

31.02.02.03b Zincowoodwardite-3R! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)], 0.32 < x < 0.50, n = 0.59 R 3m 3 2/m