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Sorosilicate
A pair of SiO4 tetrahedrons share an oxgen at the corner.
[Si2O7]6-, [Si3O10]8-, [Si5O16]12-
- Normal sorosilicate [Si2O7]
- [A(2+)2][Si2O7] [Monoclinic C2/m,P2/m]
- Thortveitite
- Yttrialite-(Y)
- [A(2+)2][B(2+)][Si2O7] [Tetragonal P(-4)2m] Melilite group
- Åkermanite, Akermanite
- Gugiaite
- [A(2+)2][B(2+)][Si2O7] [Orthorhombic I2cm]
- Kilchoanite
- [A(2+)2][B(2+)][Si2O7] [Monoclinic P2/a]
- Rankinite
- [A(2+)][B(4+)][Si2O7] [Monoclinic C2/m]
- Gittinsite
- Normal sorosilicate [Si3O10]
- [A(+)][B(2+)3][HSi3O10] [Triclinic P(-1)]
- Rosenhahnite
- Hydrate-Sorosilicate
- [A(2+)3][Si2O7],0.5H2O [Monoclinic P2/m]
- Killalaite
- [A(2+)2][H2Si2O7],H2O [Orthorhombic Fdd2]
- Suolunite
- [A(2+)2][B(2+)2][Si3O10],2H2O [Monoclinic P2/m]
- Kinoite
- Hydroxide-Sorosilicate
- [A(2+)4][(OH)2|Si2O7] [Orthorhombic Ccm21]
- Bertrandite
- [A(2+)3][OH|Si3O10] [Monoclinic P2/n]
- Thalénite-(Y), Thalenite-(Y)
- [A(2+)2][B(2+)][C(3+)2][(OH)4|Si3O10] [Orthorhombic Cmcm]
- Orientite
- [A(2+)6][B(5+][OH|Si5O18] [Monoclinic P21/n]
- Medaite
- [A(2+)6][B(3+][(OH)3|(SiO3)6] [Triclinic P(-1)]
- Bunnoite
- [A(2+)9][B(3+)2][(OH)6|(HSi4O13)2] [Triclinic P(-1)]
- Akatoreite
- Hydrate-Hydroxide-Sorosilicate
- [A(2+)4][(OH)2|Si2O7],H2O [Orthorhombic Imm2]
- Hemimorphite
- [A(+)][B(3+)2][(OH)2|Si2O7],H2O [Orthorhombic Cmcm,Ccmm] Lawsonite group
- Hennomartinite
- Itoigawaite
- Lawsonite
- Noelbensonite
- Fluoride-Sorosilicate
- [A(2+)4][F2|Si2O7] [Monoclinic P2/c]
- Cuspidine
- [A(3+)4][B(2+)][F2|(Si2O7)2] [Triclinic ???]
- Rowlandite-(Y)
- Magnesiorowlandite-(Y)
- Oxide-Sorosilicate
- [A(2+)2][B(4+)][O|Si2O7] [Tetragonal P4bm]
- Fresnoite
- [A(2+)3][B(4+)][O2|Si2O7] [Monoclinic P2/a]
- Baghdadite
- [A(2+)2][B(2+)2][O2|Si2O7] [Orthorhombic C2221]
- Melanotekite
- [A(2+)4][B(2+)][C(2+)2][D(3+)2][O8|(Si2O7)2] [Monoclinic C2/m,P2/a,C2/a] Chevkinite group
- Chevkinite-(Ce)
- Matsubaraite
- Perrierite-(Ce)
- Rengeite
- Hydroxide-Oxide-Sorosilicate
- [A(2+)][B(2+)2][C(3+)][O|OH|Si2O7] [Orthorhombic Pbnm,Pmmn]
- Ilvaite
- Ericssonite-2O
- [A(2+)][B(2+)2][C(3+)][O|OH|Si2O7] [Monoclinic P21/b]
- Manganilvaite
- [A(2+)][B(2+)2][C(3+)][O|(OH)2|Si2O7] [Monoclinic P2/m]
- Hejtmanite
- [A(2+)2][B(+)4][C2][O2|(OH)2|(Si2O7)2] [Monoclinic C2/m]
- Lamprophyllite
- [A(2+)3][B(3+)6][OH|O4|Si2O7|Si3O10] [Orthorhombic Cmcm]
- Kornerupine
- [A(2+)5][B(3+)4][OH|O4|Si2O7|Si3O10] [Orthorhombic Cmcm]
- Prismatine
- Hydroxide-Chloride-Oxide-Sorosilicate
- [A(3+)13][Cl|(OH)18|O4|Si5O16] [Cubic F(-4)3m]
- Zunyite
- Carbonate-Sorosilicate
- [A(2+)5][(CO3)2|Si2O7] [Monoclinic P2/a]
- Tilleyite
- Hydroxide-Oxide-Phosphate-Sorosilicate
- [A(2+)2][B(2+)2][C][OH|O|PO4|Si2O7] [Triclinic P(-1)]
- Yoshimuraite
- Hydroxide-Nesosilicate-Sorosilicate
- [A(2+)6][(OH)2|SiO4|Si2O7] [Triclinic P(-1)]
- Dellaite
- [A(2+)2][B(3+)3][(OH)3|SiO4|Si2O7] [Monoclinic P2/m]
- Macfallite
- Sursassite
- [A(2+)19][B(3+)13][(OH)10|(SiO4)10|(Si2O7)4] [Tetragonal P4/n]
- Vesuvianite
- Cyprine
- Hydrate-Hydroxide-Nesosilicate-Sorosilicate
- [A(2+)2][B(2+)][C(3+)2][(OH)2|SiO4|Si2O7],H2O [Monoclinic A2/m,C2/m] Pumpellyite group
- Pumpellyite-(Fe2+)
- Pumpellyite-(Mn2+)
- Pumpellyite-(Mg)
- Julgoldite-(Fe2+)
- Okhotskite
- Poppiite
- Hydroxide-Oxide-Nesosilicate-Sorosilicate
- [A(2+)][B(2+)][C(3+)2][D(3+)][O|OH|SiO4|Si2O7] [Orthorhombic Pnmc]
- Zoisite
- [A(2+)][B(2+)][C(3+)2][D(3+)][O|OH|SiO4|Si2O7] [Monoclinic P2/m] Epidote group
- Clinozoisite
- Clinozoisite-(Sr)
- Epidote
- Epidote-(Sr)
- Manganipiemontite-(Sr)
- Piemontite
- Piemontite-(Sr)
- [A(2+)][B(3+)][C(3+)][D(3+)][E(3+)][O|OH|SiO4|Si2O7] [Monoclinic P2/m] Allanite group
- Allanite-(Ce)
- Allanite-(Nd)
- Allanite-(Y)
- Ferriakasakaite-(La)
- Ferriallanite-(Ce)
- Ferriandrosite-(La)
- Uedaite-(Ce)
- Vanadoallanite-(La)
- Hydrate-Hydroxide-Oxide-Nesosilicate-Sorosilicate
- [A(2+)2][B(3+)][C(3+)2][OH|O|SiO4|Si2O7],H2O [Monoclinic A2/m,C2/m] Pumpellyite group
- Pumpellyite-(Al)
- Hydroxide-Arsenate-Nesosilicate-Sorosilicate[Si3O10]
- [A(2+)4][B6][(OH)6|AsO4|(SiO4)2|Si3O10] [Orthorhombic Pnmm]
- Ardennite-(As)
- Hydroxide-Vanadate-Nesosilicate-Sorosilicate[Si3O10]
- [A(2+)4][B6][(OH)6|VO4|(SiO4)2|Si3O10] [Orthorhombic Pnmm]
- Ardennite-(V)
- Kannanite
- Sorosilicate-Ino-Borosilicate
- [A(2+)5][Si2O7|BSi2O9],4H2O [Triclinic P(-1)]
- Oyelite
- Hydroxide-Sorosilicate-Cyclosilicate (Single ring)
- [A(+)][B(2+)3][C(2+)4][(OH)3|Si2O7|Si4O12] [Orthorhombic Pnma]
- Strakhovite
- Hydroxide-Chloride-Oxide-Sorosilicate-Cyclosilicate (Single ring)
- [A(2+)4][B(3+)4][(OH)4|Cl2|O2|Si2O3(OH)4|Si4O12] [Tetragonal I4/mmm]
- Cerchiaraite-(Mn)