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.
56.01 Sorosilicates Sorosilicate Si2O7 Groups and O, OH, F. and H2O with cations in [4] coordination 56.01.01 56.01.01.01 Bertrandite Be4Si2O7(OH)2 Ccm21 mm2 56.01.02 56.01.02.01 Hemimorphite Zn4Si2O7(OH)2•(H2O) Imm2 mm2
56.01.01 56.01.01.01 Bertrandite Be4Si2O7(OH)2 Ccm21 mm2
56.01.02 56.01.02.01 Hemimorphite Zn4Si2O7(OH)2•(H2O) Imm2 mm2