Dana Cyclosilicate Classification
4-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
4-Membered Rings

60 Cyclosilicates Cyclosilicate Four-Membered Rings

60.01 Cyclosilicates Cyclosilicate Four-Membered Rings as Titanosilicates

60.01.01a Joaquinite group (Clino-joaquinite subgroup)

60.01.01a.01 Joaquinite-(Ce) NaFe++Ba2Ce2(Ti,Nb)2[Si4O12]2O2(OH,F)•(H2O) C 2 2

60.01.01a.02 Strontiojoaquinite (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) C 2 2

60.01.01b Joaquinite group (Ortho-joaquinite subgroup)

60.01.01b.01 Orthojoaquinite-(Ce) NaFe++Ba2Ce2Ti2[Si4O12]2 O2(OH)•(H2O) Ccmm or Ccm21 Ortho

60.01.01b.02 Strontio-orthojoaquinite (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O) Pbcm or Pbc2 Ortho

60.01.01b.03 Bario-orthojoaquinite Fe++2(Ba,Sr)4Ti2[Si4O12]O2•(H2O) Ccmm or Ccm2 Ortho

60.01.01b.04 Byelorussite-(Ce) NaBa2(Ce,La)2Mn++Ti2Si8O26(F,OH)•(H2O) P 2₁2₁2₁ 2 2 2

60.01.01b.05 Orthojoaquinite-(La)! Ba2Na(La,Ce)2Fe++Ti2Si8O26(OH,O,F)•H2O Ccmm 2/m 2/m 2/m

60.01.02

60.01.02.01 Baotite Ba4(Ti,Nb)8Si4O28Cl I 4₁/a 4/m

60.01.03a Labuntsovite Group (Nenadkevichite subgroup Orthorhombic [Pbam])

60.01.03a.01 Nenadkevichite! (Na,Ca,K)(Nb,Ti)Si2O6(O,OH)•2(H2O) Pbam 2/m 2/m 2/m

60.01.03a.02 Korobitsynite! Na3(Ti,Nb)2[Si4O12](OH,O)2•3-4(H2O) Pbam 2/m 2/m 2/m

60.01.03b Labuntsovite Group (Vuoriyarvite subgroup Monoclinic [Cm])

60.01.03b.01 Vuoriyarvite-K! (K,Na)2(Nb,Ti)2Si4O12(O,OH)2•4(H2O) Cm m

60.01.03b.02 Tsepinite-Na! (Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2•3(H2O) Cm m

60.01.03b.03 Tsepinite-K! (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) Cm m

60.01.03b.04 Tsepinite-Ca! (Ca,K,Na,[ ])2(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) C 2/m 2/m

60.01.03b.05 Paratsepinite-Ba! (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) C 2/m 2/m

60.01.03b.06 Tsepinite-Sr! (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) Cm m

60.01.03c Labuntsovite Group (Kuzmenkoite subgroup Monoclinic [C2/m])

60.01.03c.01 Kuzmenkoite-Mn! (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4•5(H2O) C 2/m 2/m

60.01.03c.02 Kuzmenkoite-Zn! K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4•6-8(H2O) Cm m

60.01.03c.03 Karupmollerite-Ca! (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•7(H2O) C 2/m 2/m

60.01.03c.04 Lepkhenelmite-Zn! Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) Cm m

60.01.03d Labuntsovite Group (Lemmleinite subgroup Monoclinic [C2/m])

60.01.03d.01 Lemmleinite-K! NaK2(Ti,Nb)2Si4O12(O,OH)2•2(H2O) C 2/m 2/m

60.01.03d.02 Lemmleinite-Ba! Na2K2Ba1-xTi4(Si4O12)2(O,OH)4•5(H2O) C 2/m 2/m

60.01.03e Labuntsovite Group (Labuntsovite subgroup Monoclinic [C2/m])

60.01.03e.01 Labuntsovite-Mn! Na4K4(Ba,K)(Mn,Fe)1+x(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O), n=10-12 I2/m 2/m

60.01.03e.02 Labuntsovite-Mg! Na4K4(Ba,K)(Mg,Fe)1+xTi8(Si4O12)4(O,OH)8•10(H2O) C 2/m 2/m

60.01.03e.03 Labuntsovite-Fe! Na4K4(Ba,K)2(Fe,Mg,Mn)1+xTi8(Si4O12)4(O,OH)8•10(H2O) C 2/m 2/m

60.01.03e.04 Paratsepinite-Na! (Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O) n ~ 8 C 2/m 2/m

60.01.03e.05 Gjerdingenite-Mn! (K,Na)2(Mn,Fe)(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) C 2/m 2/m

60.01.03e.06 Gjerdingenite-Fe! K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]•4(H2O) C 2/m 2/m

60.01.03e.07 Gjerdingenite-Ca! K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•6H2O C 2/m 2/m

60.01.03e.08 Gjerdingenite-Na! (K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4•5H2O C 2/m 2/m

60.01.03f Labuntsovite Group (Gutkovaite subgroup Monoclinic [Cm])

60.01.03f.01 Gutkovaite-Mn! CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4•5(H2O) Cm m

60.01.03f.02 Alsakharovite-Zn! NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) Cm m

60.01.03f.03 Neskevaaraite-Fe! NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4•6(H2O) Cm m

60.01.03g Labuntsovite Group (Paralabuntsovite subgroup Monoclinic [I2/m])

60.01.03g.01 Paralabuntsovite-Mg! Na8K8Mg8Ti16(Si4O12)8(O,OH)16• n(H2O) I2/m 2/m

60.01.03h Labuntsovite Group (Organovaite subgroup Monoclinic [C2/m])

60.01.03h.01 Organovaite-Mn! K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) Cm m

60.01.03h.02 Organovaite-Zn! K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) C 2/m 2/m

60.01.03h.03 Parakuzmenkoite-Fe! (K,Ba)2Fe(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) C 2/m 2/m

60.01.04

60.01.04.01 Papagoite CaCuAlSi2O6(OH)3 C 2/m 2/m

60.02 Cyclosilicates Cyclosilicate Four-Membered Rings with other anion groups

60.02.01

60.02.01.01 Kainosite-(Y) Ca2(Y,Ce)2Si4O12(CO3)•(H2O) Pmnb 2/m 2/m 2/m

60.02.02

60.02.02.01 Phosinaite-(Ce)! Na13Ca2Ce[Si4O12](PO4)4 P 22121 2 2 2

60.02.03

60.02.03.01 Clinophosinaite! Na3CaPSiO7 P 2/c 2/m