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MINERAL CLASSIFICATION / SYSTEMATIK der MINERALE
based on E.H. Nickel & M.C. Nichols (2009), H. Strunz & E.H. Nickel (2001),
revised by Thomas Witzke (2022)
8. PHOSPHATES, ARSENATES, VANADATES
8.F: Polyphosphates, Polyarsenates, [4]-Polyvanadates
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8.FA. Sorophosphates, etc.; dimers and trimers of corner-sharing RO4 tetrahedra, without OH and H2O |
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8.FA.005. Nabateaite |
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Nabateaite | |
Fe2P2O7 | |
tric., P-1 | |
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IMA 2021-026 |
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8.FA.010. Samraite |
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Samraite | |
Ni2P2O7 | |
mon., P21/c | |
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IMA 2021-029 |
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8.FA.015. Petewilliamsite |
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Petewilliamsite | |
(Ni,Co)2(As2O7) | |
mon., C2 | |
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A |
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8.FA.020. Blossite |
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Blossite | |
Cu2V2O7 | |
orth., Fdd2 | |
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IMA 1986-002 |
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8.FA.025. Ziesite |
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Ziesite | |
Cu2V2O7 | |
mon., C2/c | |
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IMA 1979-055 |
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8.FA.030. Anastasenkoite group |
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Anastasenkoite | |
CaFe2+(P2O7) | |
tric., P1 | |
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IMA 2020-026 |
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Lisanite | |
CaNi(P2O7) | |
tric., P1 | |
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IMA 2021-014 |
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8.FA.035. Shasuite |
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Shasuite | |
CaNi3(P2O7)2 | |
mon., P21/c | |
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IMA 2021-020 |
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8.FA.040. Chervetite |
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Chervetite | |
Pb2V2O7 | |
mon., P22/a | |
FOTO | |
A |
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8.FB. Sorophosphates, etc.; dimers and trimers of corner-sharing RO4 tetrahedra, with OH etc. only |
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8.FB.005. Engelhauptite |
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Engelhauptite | |
KCu3(V2O7)(OH)2Cl | |
hex., P63/mmc | |
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IMA 2013-009 |
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8.FB.010. Kainotropite |
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Kainotropite | |
Cu3FeO2(V2O7)(VO4) | |
orth., Pnma | |
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IMA 2015-053 |
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8.FC. Sorophosphates, etc.; dimers and trimers of corner-sharing RO4 tetrahedra, with H2O only |
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8.FC.005. Fianelite group |
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Fianelite | |
Mn2V2O7·2H2O | |
mon., P21/n | |
FOTO | |
IMA 1995-016 |
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Rüdlingerite | |
Mn2V5+As5+O7·2H2O | |
mon., P21/n | |
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IMA 2016-054a |
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8.FC.010. Mesaite |
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Mesaite | |
CaMn5(V2O7)3·12H2O | |
mon., P2/n | |
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IMA 2015-069 |
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8.FC.015. Donowensite |
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Donowensite | |
CaFe3+2(V2O7)2·3H2O | |
tric., P1 | |
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IMA 2020-067 |
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8.FC.020. Wooldridgeite |
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Wooldridgeite | |
Na2CaCu2(P2O7)2·10H2O | |
orth., Fdd2 | |
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IMA 1997-037 |
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8.FC.025. Canaphite |
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Canaphite | |
Na2CaP2O7·4H2O | |
mon., Pc | |
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IMA 1983-067 |
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8.FC.030. Pintadoite |
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Pintadoite | |
Ca2V2O7·9H2O | |
? | |
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Q |
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8.FD. Sorophosphates, etc.; dimers and trimers of corner-sharing RO4 tetrahedra, with OH and/or other anions and H2O |
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8.FD.005. Volborthite group |
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Volborthite | |
Cu3V2O7(OH)2·2H2O | |
mon., C2/m | |
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A |
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Martyite | |
Zn3V2O7(OH)2·2H2O | |
trig., P3m1 | |
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IMA 2007-026 |
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Karpenkoite | |
Co3V2O7(OH)2·2H2O | |
trig., P3m1 | |
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IMA 2014-092 |
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8.FD.010. Chinchorroite |
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Chinchorroite | |
Na2Mg5(As2O7)2(AsO3OH)2·10H2O | |
tric., P1 | |
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IMA 2017-106 |
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8.FD.015. Kanonerovite group |
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Hylbrownite | |
Na3Mg(P3O10)·12H2O | |
mon., P21/n | |
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IMA 2010-054 |
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Kanonerovite | |
Na3Mn(P3O10)·12H2O | |
mon., P21/n | |
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IMA 1997-016 |
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8.FE. Cyclophosphates etc.; rings of of corner-sharing RO4 tetrahedra |
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8.FE.005. Phosphocyclite group |
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Phosphocyclite-(Fe) | |
Fe2+2(P4O12) | |
mon., C2/c | |
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IMA 2020-087 |
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Phosphocyclite-(Ni) | |
Ni2+2(P4O12) | |
mon., C2/c | |
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IMA 2020-088 |
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8.FF. Inophosphates etc.; chains of corner-sharing RO4 tetrahedra |
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8.FF.005. Ronneburgite |
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Ronneburgite | |
K2MnV4O12 | |
mon., P21/n | |
FOTO | |
IMA 1998-069 |
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8.FF.010. Alvanite group |
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Alvanite | |
ZnAl4(VO3)2(OH)12·2H2O | |
mon., P21/n | |
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A |
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Ankinovichite | |
NiAl4(VO3)2(OH)12·2H2O | |
mon., P21/n | |
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IMA 2002-063 |
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8.FF.015. Theoparacelsite |
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Theoparacelsite | |
Cu3(OH)2As2O7 | |
orth., Pmma | |
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IMA 1998-012 |
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8.FG. Tecto-Beryllo-Phosphates with a framework of [BeO4]
and [PO4] tetrahedra |
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8.FG.005. Limousinite |
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Limousinite | |
BaCa[Be4P4O16]·6H2O | |
mon., P21/c | |
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IMA 2019-011 |
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Limousinite is structurally closely relatd to phillipsite.
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G = Grandfathered minerals: original description preceded the establishment of the CNMNC in 1959, and
generally regarded as a valid species
A or IMA No. = Minerals approved by the CNMNC
Rd = Redefinition of the mineral approved by the CNMNC
Rn = Renamed with approval by the CNMNC
Q = Questionable mineral
© Thomas Witzke (2022)
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