Silicate Minerals - Phyllosilicates

Phyllosilicates

Main category: Phyllosilicates

Phyllosilicates (from Greek φύλλον phyllon, leaf), or sheet silicates, form parallel sheets of silicate tetrahedra with Si2O5 or a 2:5 ratio. Nickel-Strunz classification: 09.E

  • Serpentine group
    • Antigorite - Mg3Si2O5(OH)4
    • Chrysotile - Mg3Si2O5(OH)4
    • Lizardite - Mg3Si2O5(OH)4
  • Clay mineral group
    • Halloysite - Al2Si2O5(OH)4
    • Kaolinite - Al2Si2O5(OH)4
    • Illite - (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10
    • Montmorillonite - (Na,Ca)0.33(Al,Mg)2Si4O10(OH)2·nH2O
    • Vermiculite - (MgFe,Al)3(Al,Si)4O10(OH)2·4H2O
    • Talc - Mg3Si4O10(OH)2
    • Palygorskite - (Mg,Al)2Si4O10(OH)·4(H2O)
    • Pyrophyllite - Al2Si4O10(OH)2
  • Mica group
    • Biotite - K(Mg,Fe)3(AlSi3)O10(OH)2
    • Muscovite - KAl2(AlSi3)O10(OH)2
    • Phlogopite - KMg3(AlSi3)O10(OH)2
    • Lepidolite - K(Li,Al)2-3(AlSi3)O10(OH)2
    • Margarite - CaAl2(Al2Si2)O10(OH)2
    • Glauconite - (K,Na)(Al,Mg,Fe)2(Si,Al)4O10(OH)2
  • Chlorite group
    • Chlorite - (Mg,Fe)3(Si,Al)4O10(OH)2•(Mg,Fe)3(OH)6

  • Phyllosilicate, mica group, muscovite (red: Si, blue: O)

  • Phyllosilicate, single net of tetrahedra with 4-membered rings, apophyllite-(KF)-apophyllite-(KOH) series

  • Phyllosilicate, single tetrahedral nets of 6-membered rings, pyrosmalite-(Fe)-pyrosmalite-(Mn) series

  • Phyllosilicate, single tetrahedral nets of 6-membered rings, zeophyllite

  • Phyllosilicate, double nets with 4- and 6-membered rings, carletonite

Read more about this topic:  Silicate Minerals