Dana Cyclosilicate Classification
3-Membered Rings

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 Cyclosilicate Classification
3-Membered Rings

59 Cyclosilicate Minerals

59.00 Cyclosilicate Minerals Without Dana Classification Numbers

59.00.00 Silicate, Unclassified

59.00.00.00 Burovaite-Ca! (K,Na)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8•12H2O C 2/m 2/m

59.01 Cyclosilicates Cyclosilicate Three-Membered Rings anhydrous, no other anions

59.01.01 Benitoite group

59.01.01.01 Bazirite BaZrSi3O9 P 6m2 6 m2

59.01.01.02 Benitoite BaTiSi3O9 P 6c2 6 m2

59.01.01.03 Pabstite Ba(Sn,Ti)Si3O9 P 6c2 6 m2

59.01.01.04 Wadeite K2ZrSi3O9 P 6₃/m 6/m

59.01.02 Walstromite group

59.01.02.01 Walstromite BaCa2Si3O9 P1 1

59.01.02.02 Margarosanite Pb(Ca,Mn++)2Si3O9 P1 1

59.02 Cyclosilicates Cyclosilicate Three-Membered Rings hydrated

59.02.01 Umbite and related species

59.02.01.01 Umbite K2ZrSi3O9•(H2O) P 2₁2₁2₁ 2 2 2

59.02.01.02 Paraumbite K3Zr2HSi6O18•n(H2O) n=3 to 7 Unk Ortho

59.02.01.03 Kostylevite K2ZrSi3O9•(H2O) P 2₁/a 2/m

59.02.02 Catapleiite group

59.02.02.01 Catapleiite (Na,Ca,[ ])2ZrSi3O9•2(H2O) B2/b (pseudo-HEX) 2/m

59.02.02.02 Calciocatapleiite (Ca,[ ])ZrSi3O9•2(H2O) Pbnn 2/m 2/m 2/m

59.02.02.03 Gaidonnayite Na2ZrSi3O9•2(H2O) P 2₁nb mm2

59.02.02.04 Georgechaoite KNaZrSi3O9•2(H2O) P 2₁nb mm2

59.02.02.05 Loudounite NaCa5Zr4Si16O40(OH)11•8(H2O) Mono

59.02.02.06 Bobtraillite! (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12•12H2O P 3c1 3 2/m

59.02.03 Hilairite group

59.02.03.01 Hilairite Na2ZrSi3O9•3(H2O) R 3m 3 2/m

59.02.03.02 Calciohilairite CaZrSi3O9•3(H2O) R 32 3 2

59.02.03.03 Sazykinaite-(Y) Na5YZrSi6018•6(H2O) R 32 3 2

59.02.03.04 Pyatenkoite-(Y)! Na5(Y,Dy,Gd)TiSi6O18•6(H2O) R 32 3 2

59.02.04

59.02.04.01 Komkovite BaZrSi3O9•3(H2O) R 32 3 2

59.02.05

59.02.05.01 IMA2003-019! Na6Sr12Ba2Zr13Si39B4O123(OH)6 •20(H2O) P 6₃cm 6mm