9 Unclassified Strunz SILICATES (Germanates)
9.E Phyllosilicates
9.EC Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
9.EC.40 Beidellite Na0.5Al2(Si3.5Al0.5)O10(OH)2•n(H2O)
Space Group C 2/m or ORTH
Point Group 2/m
9.EC.40 Montmorillonite (Na,Ca)0,3(Al,Mg)2Si4O10(OH)2•n(H2O)
Space Group C 2/m
Point Group 2/m
9.EC.40 Nontronite Na0.3Fe+++2(Si,Al)4O10(OH)2•n(H2O)
Space Group C 2/m
Point Group 2/m
9.EC.40 Volkonskoite Ca0.3(Cr+++,Mg,Fe+++)2(Si,Al)4O10(OH)2•4(H2O)
Space Group C 2/m
Point Group 2/m
9.EC.40 Yakhontovite (Ca,K)0.5(Cu,Fe+++,Mg)2Si4O10(OH)2•3(H2O)
Space Group C 2/m
Point Group 2/m
9.EC.40 Almbosite? Fe++5Fe+++4V+++++4Si3O27
Space Group Ortho ?
Point Group Ortho
9.EC.40 Kurumsakite (Zn,Ni,Cu)8Al8V2Si5O35•27(H2O) (?)
Space Group Unk
Point Group Ortho