Dana Phyllosilicate Classification
Modulated Layers

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 Phyllosilicate Classification
Modulated Layers

74 Phyllosilicates Phyllosilicate Modulated Layers

74.01 Phyllosilicates Phyllosilicate Modulated Layers with joined islands

74.01.01 Stilpnomelane group

74.01.01.01 Stilpnomelane K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27•n(H2O) P1 1

74.01.01.02 Lennilenapeite K6-7(Mg,Mn,Fe++,Fe+++,Zn)48(Si,Al)72(O,OH)216•16(H2O) Unk (pseudo-HEX) Tri

74.01.01.03 Franklinphilite (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216•6(H2O) pseudo-HEX P1 or P1 Tri

74.01.01.04 Bannisterite KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16•4-12(H2O) A2/a 2/m

74.01.01.05 Middendorfite! K3Na2Mn5Si12(O,OH)36•2H2O P 2₁/m or P 2₁ Mono

74.01.02 Ganophyllite group

74.01.02.01 Ganophyllite (K,Na)2(Mn,Al,Mg)8(Si,Al)12O29(OH)7•8-9(H2O) A2/a 2/m

74.01.02.02 Eggletonite Na2Mn8[Si11AlO29](OH)7•11(H2O) Ia or I2/a Mono

74.01.02.03 Tamaite! (Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112•21(H2O) P 2₁/a 2/m

74.01.03

74.01.03.01 Parsettensite (K,Na,Ca)(Mn,Al)7Si8O20(OH)8•2(H2O) (?) C 2/m 2/m

74.01.03.02 Armbrusterite! K5Na6Mn+++Mn++14[Si9O22]4(OH)10•4H2O C 2/m 2/m

74.01.04

74.01.04.01 Zussmanite K(Fe++,Mg,Mn)13[AlSi17O42](OH)14 R 3 3

74.01.04.02 Coombsite! K(Mn++,Fe++,Mg)13(Si,Al)18O42(OH)14 R 3 or R 3 Trig

74.02 Phyllosilicates Phyllosilicate Modulated Layers

74.02.01

74.02.01.01 Wickenburgite Pb3CaAl2Si10O27•4(H2O) P 3₁c 3m

74.03 Phyllosilicates Phyllosilicate Modulated Layers with joined strips

74.03.01a Palygorskite-sepiolite group (Palygorskite subgroup)

74.03.01a.01 Palygorskite (Mg,Al)2Si4O10(OH)•4(H2O) C 2/m 2/m

74.03.01a.02 Tuperssuatsiaite Na(Fe+++,Mn)3[Si8O20](OH)2•n(H2O) C 2/m Mono

74.03.01a.03 Yofortierite (Mn,Mg)5Si8O20(OH)2•8-9(H2O) Pn(?) m

74.03.01a.04 Kalifersite! (K,Na)5Fe+++7Si20O50(OH)6•12(H2O) P1 1

74.03.01b Palygorskite-sepiolite group (Sepiolite subgroup)

74.03.01b.01 Sepiolite Mg4Si6O15(OH)2•6(H2O) Pnan 2/m 2/m 2/m

74.03.01b.02 Falcondoite (Ni,Mg)4Si6O15(OH)2•6(H2O) Pncn 2/m 2/m 2/m

74.03.01b.03 Loughlinite Na2Mg3Si6O16•8(H2O) Unk Ortho

74.03.02

74.03.02.01 Chrysocolla (Cu,Al)2H2Si2O5(OH)4•n(H2O) Unk Ortho

74.03.03 Altisite/lemoynite

74.03.03.01 Altisite Na3K6Ti2Al2Si8O26Cl3 C 2/m 2/m

74.03.03.02 Lemoynite (Na,K)2CaZr2Si10O26•5-6(H2O) C 2/m 2/m

74.03.03.03 Natrolemoynite! Na4Zr2Si10O26•9(H2O) C 2/m 2/m

74.03.04 Ba phyllosilicates

74.03.04.01 Sanbornite BaSi2O5 Pmnb 2/m 2/m 2/m

74.03.04.02 Krauskopfite BaSi2O4(OH)2•2(H2O) P 2₁/a 2/m

74.03.05 Na phyllosilicates

74.03.05.01 Natrosilite Na2Si2O5 P 2₁/a 2/m

74.03.05.02 Makatite Na2Si4O8(OH)2•4(H2O) P 2₁/c 2/m

74.03.05.03 Silinaite NaLiSi2O5•2(H2O) A2/n 2/m

74.03.05.04 Searlesite NaBSi2O5(OH)2 P 2₁ 2

74.03.06

74.03.06.01 Revdite Na2Si2O5•5(H2O) C 2 2

74.03.07 V phyllosilicates

74.03.07.01 Cavansite Ca(VO)Si4O10•4(H2O) Pcmn 2/m 2/m 2/m

74.03.07.02 Pentagonite Ca(VO)Si4O10•4(H2O) Ccm21 mm2

74.03.08

74.03.08.01 Intersilite! Na6Mn++Ti[Si10O24(OH)](OH)3•4(H2O) I2/m 2/m