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.
31.08 Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)3 (XO4)2 Zq·x(H2O) 31.08.01 31.08.01.01 Natrochalcite NaCu2(SO4)2(OH)•(H2O) I2/m 2/m 31.08.02 31.08.02.01 Johannite Cu(UO2)2(SO4)2(OH)2•8(H2O) P1 1 31.08.02.02 Deliensite! Fe++(UO2)2(SO4)2(OH)2•3(H2O) Pnnm or Pnn2 Ortho 31.08.03 31.08.03.01 Sideronatrite Na2Fe+++(SO4)2(OH)•3(H2O) Pbnm 2/m 2/m 2/m 31.08.04 31.08.04.01 Metasideronatrite Na2Fe+++(SO4)2(OH)•(H2O) Pbnm or Pbn21 Ortho 31.08.05 31.08.05.01 Vlodavetsite! AlCa2(SO4)2F2Cl•4(H2O) I 4/m 4/m
31.08.01 31.08.01.01 Natrochalcite NaCu2(SO4)2(OH)•(H2O) I2/m 2/m
31.08.02 31.08.02.01 Johannite Cu(UO2)2(SO4)2(OH)2•8(H2O) P1 1 31.08.02.02 Deliensite! Fe++(UO2)2(SO4)2(OH)2•3(H2O) Pnnm or Pnn2 Ortho
31.08.03 31.08.03.01 Sideronatrite Na2Fe+++(SO4)2(OH)•3(H2O) Pbnm 2/m 2/m 2/m
31.08.04 31.08.04.01 Metasideronatrite Na2Fe+++(SO4)2(OH)•(H2O) Pbnm or Pbn21 Ortho
31.08.05 31.08.05.01 Vlodavetsite! AlCa2(SO4)2F2Cl•4(H2O) I 4/m 4/m