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Dana Classification System

Phyllosilicates

Mineral Formula Classification
72.  -  Two-dimensional infinite sheets without six-membered rings
 
Ekanite ThCa2Si8O20 72.1.1.1
Thornasite (Na,K)ThSi11(O,F,OH)25 · 8H2O 72.1.2.1
Prehnite Ca2Al2Si3O10(OH)2 72.1.3.1
Sazhinite-(Ce) Na2Ce[Si6O14(OH)] · nH2O (n > 1.5) 72.2.1.3
Sazhinite-(La) Na3LaSi6O15 · 2(H2O) 72.2.1.4
Fluorapophyllite KCa4(Si8O20)F · 8H2O 72.3.1.1
Hydroxylapophyllite KCa4(Si8O20)(OH) · 8H2O 72.3.1.2
Carletonite KNa4Ca4(Si8O18)(CO3)4(OH,F) · H2O 72.3.1.4
72.5.1/ - Rhodesite group
Monteregianite-(Y) K2Na4Y2(Si16O38) · 10H2O 72.5.1.2
 
Leucosphenite Na4BaTi2O2(B2Si10O280 72.5.2.1
Nordite-(Ce) (Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)
     Si6O17
72.5.2.2
Elpidite Na2ZrSi6O15 · 3H2 72.5.4.2
73.  -  Condensed tetrahedral sheets
 
Zeophyllite Ca13Si10O28(OH)2F8 · 6H2O 73.1.4.1
 
Martinite (Na, ,Ca)11Ca4(Si,S,B)14B2O40 · 4H2O 73.2.2d.1
Lalondeite Na,Ca)6(Ca,Na)3Si16O38(F,OH)2 · 3H2O 73.2.2d.2
74.  -  Modulated layers
 
Ganophyllite (K,Na)2(Mn,Al,Mg)8(Si,Al)12O29(OH)7 ·
     8-9H2O
74.1.2.1
74.3.1a/ - Palygorskite - sepiolite group, palygorskite subgroup
Tuperssuatsiaite Na1-2Fe3Si8O20(OH)2 · 5H2O 74.3.1a.2
Yofortierite (Mn2+,Mg)5Si8O20(OH)2 · 8-9H2O 74.3.1a.3
74.3.1b/ - Palygorskite - sepiolite group, sepiolite subgroup
Sepiolite Mg4Si6O15(OH)2 · 6H2O 74.3.1b.1
 
Lemoynite (Na,K)2CaZr2(Si10O26) · 5-6H2O 74.3.3.2
Natrolemoynite Na4Zr2Si10O26 · 9H2O 74.3.3.2
Natrosilite Na2Si2O5 74.3.5.1
Makatite Na2Si4O8(OH)2 · 4H2O 74.3.5.2
Silinaite NaLiSi2O5 · 2H2O 74.3.5.3
Searlesite NaBSi2O5(OH)2 74.3.5.4
Revdite Na16(Si4O6(OH)502[Si8O15(OH)6](OH)10 ·
     28H2O
74.3.6.1



Dana System Classes

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