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.
32.02 Compound Sulfates (hydrous) with simple bi-anionic formula 32.02.01 32.02.01.01 Rapidcreekite Ca2(SO4)(CO3)•4(H2O) Pcnb 2/m 2/m 2/m 32.02.02 32.02.02.01 Humberstonite K3Na7Mg2(SO4)6(NO3)2•6(H2O) R 3 3 32.02.03 32.02.03.01 Ungemachite K3Na8Fe+++(SO4)6(NO3)2•6(H2O) R 3 3
32.02.01 32.02.01.01 Rapidcreekite Ca2(SO4)(CO3)•4(H2O) Pcnb 2/m 2/m 2/m
32.02.02 32.02.02.01 Humberstonite K3Na7Mg2(SO4)6(NO3)2•6(H2O) R 3 3
32.02.03 32.02.03.01 Ungemachite K3Na8Fe+++(SO4)6(NO3)2•6(H2O) R 3 3