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FOTO ATLAS
SYSTEMATIK


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.C: Phosphates etc. without additional anions, with water


8.CA. With only small to medium-sized cations, RO4:H2O = 1:0.75 - 1:1.25
 
8.CA.05. Serrabrancaite group
 
Ermeloite Al(PO4)·H2O mon., C2/c IMA 2021-017a
Serrabrancaite Mn(PO4)·H2O mon., C2/c FOTO IMA 1998-006

Serrabrancaite has a kieserite type structure.


 
8.CA.10. Mikehowardite
 
Mikehowardite Fe(VO4)·0.75H2O tric., P1 IMA 2020-068

A formula better indicating the structure is Fe4(VO4)4(H2O)2·H2O. Mikehowardite is structurally related to schubnelite.


 
8.CA.15. Schubnelite
 
Schubnelite Fe(VO4)·H2O tric., P1 IMA 1970-015


 
8.CA.20. Fervanite
 
Fervanite Fe(VO4)·1.25H2O mon. (?) G

Fervanite is often regarded as a possible vanadium bronze, but is probably a vanadate related to mikehowardite and schubnelite.


 
8.CA.25. Warikahnite
 
Warikahnite Zn3(AsO4)2·2H2O tric., P1 IMA 1978-038


 
8.CA.30. Koritnigite group
 
Magnesiokoritnigite Mg(AsO3OH)·H2O tric., P1 IMA 2013-049
Koritnigite Zn(AsO3OH)·H2O tric., P1 IMA 1978-008
Cobaltkoritnigite Co(AsO3OH)·H2O tric., P1 FOTO IMA 1980-013


 
8.CA.35. Geminite
 
Geminite Cu(AsO3OH)·H2O tric., C1 FOTO IMA 1988-045


 
8.CA.40. Kolovratite
 
Kolovratite (Ni,Zn)X(VO4)·nH2O (?) Q



 
 
8.CB. With only small to medium-sized cations, RO4:H2O = 1:1.5 (and similar)
 
8.CB.05. Faheyite
 
Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O trig., P3121 G


 
8.CB.10. Phosphoferrite group
 
Reddingite Mn2+3(PO4)2·3H2O orth., Pbna Rd
Correianevesite Mn2+Fe2+2(PO4)2·3H2O orth., Pbna IMA 2013-007
Phosphoferrite Fe2+3(PO4)2·3H2O orth., Pbna Rd
Garyansellite Mg2Fe3+(PO4)2(OH)·2H2O orth., Pbna IMA 1981-019
Landesite Mn2+9Fe3+3(PO4)8(OH)3·9H2O orth., Pbna Rd
Kryzhanovskite (Fe3+,Mn2+)3(PO4)2(OH,H2O)3 orth., Pbna G


 
8.CB.15. Krupičkaite
 
Krupičkaite Cu6[AsO3(OH)]6·8H2O mon., P21/n IMA 2020-032


 
8.CB.20. Kaatialaite
 
Kaatialaite Fe3+(H2AsO4)3·5H2O mon., P21 FOTO IMA 1982-021


 
8.CB.25. Camaronesite
 
Camaronesite Fe3+2(PO3OH)2(SO4)(H2O)4·1-2H2O trig., R32 IMA 2012-094


 
8.CB.30. Liversidgeite
 
Liversidgeite Mg6(PO4)4·7H2O tric., P1 IMA 2008-048



 
 
8.CC. With only small to medium-sized cations, RO4:H2O = 1:2
 
8.CC.05. Phosphosiderite group
 
Metavariscite Al(PO4)·2H2O mon., P21/n A
Kolbeckite Sc(PO4)·2H2O mon., P21/n FOTO A
Bonacinaite Sc(AsO4)·2H2O mon., P21/n IMA 2018-056
Phosphosiderite Fe(PO4)·2H2O mon., P21/n FOTO Rn


 
8.CC.10. Variscite group
 
Variscite Al(PO4)·2H2O orth., Pbca FOTO A
Mansfieldite Al(AsO4)·2H2O orth., Pbca G
Strengite Fe(PO4)·2H2O orth., Pbca G
Scorodite Fe(AsO4)·2H2O orth., Pbca FOTO G
Yanomamite In(AsO4)·2H2O orth., Pbca IMA 1990-052
Redondite Al(PO4)·2H2O Q

Redondite, questionable mineral, is probably a variety of variscite.


 
8.CC.15. Parascorodite
 
Parascorodite Fe(AsO4)·2H2O trig. IMA 1996-061


 
8.CC.20. Yvonite
 
Yvonite Cu(AsO3OH)·2H2O tric., P1 IMA 1995-012


 
8.CC.25. Metaswitzerite group
 
Metaswitzerite Mn2+3(PO4)2·4H2O mon., P21/c IMA 1981-027a, Rd
Castellaroite Mn2+3(AsO4)2·4H2O mon., P21/n IMA 2015-071


 
8.CC.30. Sterlinghillite
 
Sterlinghillite Mn2+3(AsO4)2·4H2O mon. IMA 1980-007


 
8.CC.35. Ludlamite
 
Ludlamite Fe2+3(PO4)2·4H2O mon., P21/a G


 
8.CC.40. Rollandite
 
Rollandite Cu3(AsO4)2·4H2O orth., Pnma IMA 1998-001


 
8.CC.45. Hopeite group
 
Hopeite Zn3(PO4)2·4H2O orth., Pnma G
Arsenohopeite Zn3(AsO4)2·4H2O orth., Pnma IMA 2010-069
Sergeysmirnovite MgZn2(PO4)2·4H2O orth., Pnma IMA 2021-033
Nizamoffite MnZn2(PO4)2·4H2O orth., Pnma IMA 2012-076


 
8.CC.50. Parahopeite
 
Parahopeite Zn3(PO4)2·4H2O tric., P1 G
Reaphookhillite MgZn2(PO4)2·4H2O tric., P1 IMA 2018-128


 
8.CC.55. Phosphophyllite
 
Phosphophyllite FeZn2(PO4)2·4H2O mon., P21/c G


 
8.CC.60. Davidlloydite
 
Davidlloydite Zn3(AsO4)2·4H2O tric., P1 IMA 2011-053


 
8.CC.65. Malhmoodite group
 
Zigrasite MgZr(PO4)2·4H2O tric, P1 IMA 2008-046
Malhmoodite FeZr(PO4)2·4H2O mon. IMA 1992-001, Rn



 
 
8.CD. With only small to medium-sized cations, RO4:H2O = 1:2.2 to 1:3.5
 
8.CD.05. Slavkovite
 
Slavkovite Cu13(AsO4)6(AsO3OH)4·23H2O tric., P1 IMA 2004-038


 
8.CD.10. Chudobaite group
 
Chudobaite Mg5(AsO4)2(AsO3OH)2·10H2O tric., P1 A
Geigerite Mn5(AsO4)2(AsO3OH)2·10H2O tric., P1 IMA 1985-028


 
8.CD.15. Burgessite group
 
Burgessite Co2(AsO3OH)2(H2O)4·H2O mon., P21/n IMA 2007-055
Honzaite Ni2(AsO3OH)2(H2O)4·H2O mon., P21/m IMA 2014-105


 
8.CD.20. Lindackerite group
 
Ondrušite CaCu4(AsO4)2(AsO3OH)2·10H2O tric., P1 IMA 2008-010
Klajite MnCu4(AsO4)2(AsO3OH)2·9-10H2O tric., P1 IMA 2010-004
Hloušekite NiCu4(AsO4)2(AsO3OH)2·9H2O tric., P1 IMA 2013-048
Pradetite CoCu4(AsO4)2(AsO3OH)2·9H2O tric., P1 IMA 1991-046, Rd
Lindackerite CuCu4(AsO4)2(AsO3OH)2·9H2O tric., P1 Rd
Veselovskýite ZnCu4(AsO4)2(AsO3OH)2·9H2O tric., P1 IMA 2005-053


 
8.CD.25. Steigerite
 
Steigerite Al(VO4)·3H2O mon., P21 or P21/m G


 
8.CD.30. Koninckite
 
Koninckite Fe3+(PO4)·3H2O tetr. G


 
8.CD.35. Newberyite
 
Newberyite Mg(PO3OH)·3H2O orth., Pbca FOTO G


 
8.CD.40. Kaňkite
 
Kaňkite Fe3+(AsO4)·3.5H2O mon. FOTO IMA 1975-005


 
8.CD.50. Switzerite
 
Switzerite Mn2+3(PO4)2·7H2O mon., P21/a IMA 1966-042, Rd



 
 
8.CE. With only small to medium-sized cations, RO4:H2O = 1:4 to 1:11
 
8.CE.05. Brassite
 
Brassite Mg(AsO3OH)·4H2O orth., Pbca IMA 1973-047


 
8.CE.10. Bobierrite
 
Bobierrite Mg3(PO4)2·8H2O mon., C2/c G


 
8.CE.15. Vivianite group
 
Baričite Mg3(PO4)2·8H2O mon., C2/m IMA 1975-027
Hörnesite Mg3(AsO4)2·8H2O mon., C2/m FOTO G
Manganohörnesite Mn3(AsO4)2·8H2O mon., C2/m Rn
Monteneroite CuMn2(AsO4)2·8H2O mon., C2/m IMA 2020-028
Vivianite Fe3(PO4)2·8H2O mon., C2/m G
Parasymplesite Fe3(AsO4)2·8H2O mon., C2/m FOTO G
Pakhomovskyite Co3(PO4)2·8H2O mon., C2/m IMA 2004-021
Erythrite Co3(AsO4)2·8H2O mon., C2/m FOTO G
Arupite Ni3(PO4)2·8H2O mon., C2/m IMA 1988-008
Annabergite Ni3(AsO4)2·8H2O mon., C2/m FOTO G
Babánekite Cu3(AsO4)2·8H2O mon., C2/m IMA 20012-007
Köttigite Zn3(AsO4)2·8H2O mon., C2/m G
Ferrisymplesite Fe3+3(AsO4)2(OH)3·5H2O (?) Q


 
8.CE.20. Symplesite
 
Symplesite Fe3(AsO4)2·8H2O tric., P1 G


 
8.CE.25. Metaköttigite
 
Metaköttigite (Zn,Fe3+)3(AsO4)2·8(H2O,OH) tric. IMA 1979-077


 
8.CE.30. Schoderite group
 
Schoderite Al2(PO4)(VO4)·8H2O mon. A
Metaschoderite Al2(PO4)(VO4)·6H2O mon., P2/m A


 
8.CE.35. Rösslerite group
 
Phosphorrösslerite Mg(PO3OH)·7H2O mon., C2/c G
Rösslerite Mg(AsO3OH)·7H2O mon., C2/c G


 
8.CE.40. Cattiite
 
Cattiite Mg3(PO4)2·22H2O tric., P1 FOTO IMA 2000-032



 
 
8.CF. With large and small to medium-sized cations, RO4:H2O > 1:1
 
8.CF.05. Prosperite
 
Prosperite Ca2Zn4(AsO4)4·H2O mon., C2/c IMA 1978-028


 
8.CF.10. Wicksite group
 
Tassieite NaCa2Mg3Fe2+2Fe3+(PO4)6·2H2O orth., Pcab IMA 2005-051
Wicksite NaCa2Fe2+2(Fe3+,Mn2+,Fe2+)4(PO4)6·2H2O orth., Pcab IMA 1979-019
Maneckiite (Na,□)Ca2Fe2+2(Fe3+Mg)Mn2(PO4)6·2H2O orth., Pcab IMA 2016-056
Liraite NaCa2Mn2+2(Fe3+Fe2+)Mn2+2(PO4)6·2H2O orth., Pcab IMA 2019-085
Grischunite NaCa2Mn2+5Fe3+(AsO4)6·2H2O orth., Pcab IMA 1981-018
Bederite Ca2Mn2+4Fe3+2(PO4)6·2H2O orth., Pcab IMA 1998-007


 
8.CF.15. Gainesite group
 
Gainesite NaNa(Be,Li)Zr2(PO4)4·1.5H2O tetr., I41/amd IMA 1978-020
Selwynite NaKBeZr2(PO4)4·2H2O tetr., I41/amd IMA 1993-037
Mccrillisite NaCs(Be,Li)Zr2(PO4)4·1-2H2O tetr., I41/amd IMA 1991-023


 
8.CF.20. Haigerachite
 
Haigerachite KFe3+3[PO3OH]2[PO2(OH)2]6·4H2O mon., C2/c IMA 1997-049


 
8.CF.25. Juansilvaite
 
Juansilvaite Na5Al3[AsO3OH]4[AsO2(OH)2]2(SO4)2·4H2O mon., C2/c IMA 2015-080


 
8.CF.30. Espadaite
 
Espadaite Na4Ca3Mg2[AsO3OH]2[AsO2(OH)2]10·7H2O orth., Ccca IMA 2018-089


 
8.CF.35. Riosecoite
 
Riosecoite Ca2Mg(AsO3OH)3·2H2O tric., P1 IMA 2018-023


 
8.CF.40. Currierite
 
Currierite Na4Ca3MgAl4(AsO3OH)12·9H2O hex., P622 IMA 2016-030


 
8.CF.45. Andyrobertsite group
 
Andyrobertsite KCdCu5(AsO4)4(AsO2(OH)2)·2H2O mon., P21/m IMA 1997-022
Calcioandyrobertsite KCaCu5(AsO4)4(AsO2(OH)2)·2H2O mon., P21/m IMA 1997-023


 
8.CF.50. Loomisite
 
Loomisite Ba[Be2P2O8]·H2O mon., Pn IMA 2022-003

Loomisite is a framework beryllophosphate of the zeolite ABW type.

Calcioandyrobertsite polytypes: -1M (mon., P21/m), -2O (orth., Pnma).



 
 
8.CG. With large and small to medium-sized cations, RO4:H2O = 1:1
 
8.CG.05. Pilipenkoite
 
Pilipenkoite KCu(AsO4)·H2O mon., P21/C IMA 2022-017


 
8.CG.10. Gengenbachite
 
Gengenbachite KFe3+3(H2PO4)2(HPO4)4·6H2O hex., P63mc IMA 2001-003b


 
8.CG.15. Nafeasite
 
Nafeasite Na3Fe3+3(AsO3OH)6·3H2O mon., C2 IMA 2021-103


 
8.CG.20. Dittmarite group
 
Dittmarite (NH4)Mg(PO4)·H2O orth., Pmn21 G
Niahite (NH4)Mn(PO4)·H2O orth., Pmn21 IMA 1977-022


 
8.CG.25. Fransoletite group
 
Fransoletite Ca3Be2(PO4)2(PO3OH)2·4H2O mon., P21/a IMA 1982-096
Parafransoletite Ca3Be2(PO4)2(PO3OH)2·4H2O tric., P1 IMA 1989-094


 
8.CB.30. Krautite group
 
Krautite Mn(AsO3OH)·H2O mon., P21 IMA 1974-028
Magnesiofluckite CaMg(AsO3OH)2·2H2O tric., P1 IMA 2017-103
Fluckite CaMn(AsO3OH)2·2H2O tric., P1 IMA 1978-054


 
8.CB.35. Hureaulite group
 
Hureaulite Mn5(PO4)2(PO3OH)2·4H2O mon., B2/b G
Sainfeldite Ca5(AsO4)2(AsO3OH)2·4H2O mon., B2/b FOTO IMA 1963-018
Chongite Ca3Mg2(AsO4)2(AsO3OH)2·4H2O mon., B2/b IMA 2015-039
Giftgrubeite CaMn2Ca2(AsO4)2(AsO3OH)2·4H2O mon., B2/b IMA 2016-102
Villyaellenite MnMn2Ca2(AsO4)2(AsO3OH)2·4H2O mon., B2/b IMA 1983-008a
Miguelromeroite MnMn2Mn2(AsO4)2(AsO3OH)2·4H2O mon., B2/b IMA 2008-066
Nyholmite Cd3Zn2(AsO4)2(AsO3OH)2·4H2O mon., B2/b IMA 2008-047


 
8.CG.40. Fairfieldite group
 
Collinsite Ca2Mg(PO4)2·2H2O tric., P1 G
Talmessite Ca2Mg(AsO4)2·2H2O tric., P1 A
Fairfieldite Ca2Mn(PO4)2·2H2O tric., P1 FOTO G
Parabrandtite Ca2Mn(AsO4)2·2H2O tric., P1 IMA 1986-009
Messelite Ca2Fe(PO4)2·2H2O tric., P1 A
Anorthoroselite Ca2Co(AsO4)2·2H2O tric., P1 FOTO G
Cassidyite Ca2Ni(PO4)2·2H2O tric., P1 IMA 1966-024
Nickeltalmessite Ca2Ni(AsO4)2·2H2O tric., P1 IMA 2008-051
Hillite Ca2Zn(PO4)2·2H2O tric., P1 IMA 2003-005
Gaitite Ca2Zn(AsO4)2·2H2O tric., P1 FOTO IMA 1978-047

Anorthoroselite: renamed 2022, originally described as Roselite-β.


 
8.CG.45. Roselite group
 
Wendwilsonite Ca2Mg(AsO4)2·2H2O mon., P21/b IMA 1985-047
Dobšináite Ca2Ca(AsO4)2·2H2O mon., P21/b IMA 2020-081
Brandtite Ca2Mn(AsO4)2·2H2O mon., P21/b G
Roselite Ca2Co(AsO4)2·2H2O mon., P21/b FOTO G
Zincroselite Ca2Zn(AsO4)2·2H2O mon., P21/b IMA 1985-055
Rruffite Ca2Cu(AsO4)2·2H2O mon., P21/b IMA 2009-077


 
8.CG.50. Dondoellite
 
Dondoellite Ca2Fe(PO4)2·2H2O tric., P1 IMA 2021-048

Dondoelleite, dimorphous with messelite, and belongs also to the kröhnkite structure type.


 
8.CG.55. Scholzite
 
Scholzite CaZn2(PO4)2·2H2O orth., Pbc21 G


 
8.CG.60. Parascholzite
 
Parascholzite CaZn2(PO4)2·2H2O mon., Cc or C2/c IMA 1980-056


 
8.CB.65. Irhtemite
 
Irhtemite Ca4Mg(AsO4)2(AsO3OH)2·4H2O mon. IMA 1971-034


 
8.CG.70. Tsumcorite group
 
Cabalzarite Ca(Mg,Al,Fe3+)2(AsO4)2·2(OH,H2O) mon., B2/m FOTO IMA 1997-012
Manganlotharmeyerite CaMn3+2(AsO4)2(OH)2 mon., B2/m IMA 2001-026
Ferrilotharmeyerite Ca(Fe3+,Zn)2(AsO4)2·2(OH,H2O) mon., B2/m FOTO IMA 1986-024
Cobaltlotharmeyerite Ca(Co,Fe3+,Ni)2(AsO4)2·2(H2O,OH) mon., B2/m FOTO IMA 1997-027
Nickellotharmeyerite Ca(Ni,Fe3+,Co)2(AsO4)2·2(H2O,OH) mon., B2/m IMA 1999-008
Lotharmeyerite Ca(Zn,Mn3+)2(AsO4)2·2(H2O,OH) mon., B2/m IMA 1982-060
Mawbyite Pb(Fe3+,Zn)2(AsO4)2·2(OH,H2O) mon. FOTO IMA 1988-049
Thometzekite PbCu2+2(AsO4)2·2H2O mon., B2/m IMA 1982-103
Tsumcorite PbZn2(AsO4)2·2H2O mon., B2/m IMA 1969-047
Nickeltsumcorite Pb(Ni,Fe3+,Ni)2(AsO4)2·2(H2O,OH) mon., B2/m IMA 2013-117
Cobalttsumcorite Pb(Co,Fe3+,Ni)2(AsO4)2·2(H2O,OH) mon., B2/m FOTO IMA 1999-029
Schneebergite (Bi3+,Ca)(Co,Ni,Fe3+)2(AsO4)2·2(OH,H2O) mon., B2/m FOTO IMA 1999-027
Nickelschneebergite (Bi3+,Ca)(Ni,Co,Fe3+)2(AsO4)2·2(OH,H2O) mon., B2/m FOTO IMA 1999-028
Krettnichite PbMn3+2(VO4)2(OH)2 mon., B2/m FOTO IMA 1998-044
Mounanaite PbFe3+2(VO4)2(OH,F)2 mon., B2/m IMA 1968-031


 
8.CG.75. Gartrellite group
 
Lukrahnite Ca(Cu,Zn)(Fe3+,Zn)(AsO4)2·2(H2O,OH) tric., P1 IMA 1999-030
Phosphogartrellite Pb(Cu,Fe3+)2(PO4,AsO4)2·2(H2O,OH) tric., P1 IMA 1996-035
Gartrellite Pb(Cu,Fe3+,Zn)2(AsO4,SO4)2·2(H2O,OH) tric., P1 IMA 1988-039
Zincgartrellite Pb(Zn,Fe3+,Cu)2(AsO4)2·2(H2O,OH) tric., P1 IMA 1998-014
Helmutwinklerite Pb(Zn,Cu)2(AsO4)2·2H2O tric., P1 IMA 1979-010
Rappoldite Pb(Co,Ni,Zn)2(AsO4)2·2H2O tric., P1 FOTO IMA 1998-015



 
 
8.CH. With large and small to medium-sized cations, RO4:H2O < 1:1
 
8.CH.05. Ehrleite
 
Ehrleite Ca4Be3Zn2(PO4)6·9H2O tric., P1 IMA 1983-039


 
8.CH.10. Pahasapaite
 
Pahasapaite Li8(Ca,Li,K)10Be24(PO4)24·38H2O cub., I23 FOTO IMA 1983-060b
Wilancookit (Ba,K,Na)8(Ba,Li,□)6Be24(PO4)24·32H2O cub., I23 IMA 2015-034


 
8.CH.15. Bakhchisaraitsevite
 
Bakhchisaraitsevite Na2Mg5(PO4)4·7H2O mon., P21/c IMA 1999-005


 
8.CH.20. Schertelite
 
Schertelite (NH4)2Mg(PO3OH)2·4H2O orth., Pbca G


 
8.CH.25. Hannayite
 
Hannayite (NH4)2Mg3(PO3OH)4·8H2O tric., P1 G


 
8.CH.30. Struvite group
 
Struvite (NH4)Mg(PO4)·6H2O mon., Pmn21 FOTO G
Struvite-K KMg(PO4)·6H2O mon., Pmn21 IMA 2003-048
Hazenite KNaMg2(PO4)2·14H2O mon., Pmnb IMA 2007-061


 
8.CH.35. Apexite
 
Apexite NaMg(PO4)·9H2O tric., P1 IMA 2015-002


 
8.CH.40. Taranakite group
 
Francoanellite K3Al5(PO4)2(PO3OH)3·12H2O tric., R3c IMA 1974-051
Taranakite (K,NH4)Al3(PO4)3(OH)·9H2O trig., R3c or R3c G


 
8.CH.45. Esdanaite-(Ce)
 
Esdanaite-(Ce) NaMnCe(PO4)2·4H2O mon., P212121 IMA 2018-112


 
8.CH.50. Epifanovite
 
Epifanovite NaCaCu5(PO4)4(AsO2(OH)2)·7H2O mon., P21/m IMA 2016-063

Epifanovite is structurally related to lavendulan group and andyrobertsite group minerals.


 
8.CH.55. Birchite
 
Birchite Cd2Cu2(PO4)2(SO4)·5H2O orth., Pnma IMA 2006-048


 
8.CH.60. Anapaite
 
Anapaite Ca2Fe2+(PO4)2·4H2O tric., P1 G


 
8.CH.65. Stergiouite
 
Stergiouite CaZn2(AsO4)2·4H2O mon., Pc IMA 2018-051a


 
8.CH.70. Picropharmacolite
 
Picropharmacolite Ca4Mg(AsO4)2(AsO3OH)2·11H2O tric., P1 G


 
8.CH.75. Rimkorolgite
 
Rimkorolgite (Ba,Sr,Ca)(Mg,Mn)5(PO4)4·8H2O mon., P21/c IMA 1990-032


 
8.CH.80. Fahleite
 
Fahleite CaZn5Fe3+2(AsO4)6·14H2O orth. IMA 1982-061
Smolyaninovite Co3Fe3+2(AsO4)4·11H2O orth. FOTO G


 
8.CH.85. Batagayite
 
Batagayite CaZn2(Zn,Cu)6(PO4)(PO3OH)3·12H2O P21 IMA 2017-002


 
8.CH.90. Barahonaite group
 
Barahonaite-(Al) (Ca,Cu,Na,Fe3+,Al)12Al2(AsO4)8(OH,Cl)X·nH2O mon., P2/a or Pa IMA 2006-051
Barahonaite-(Fe) (Ca,Cu,Na,Fe3+,Al)12Fe3+2(AsO4)8(OH,Cl)X·nH2O mon., P2/a or Pa IMA 2006-052



 
 
8.CJ. With only large cations, RO4:H2O > 1:1
 
8.CJ.05. Armellinoite-(Ce)
 
Armellinoite-(Ce) Ca4Ce4+(AsO4)4·H2O tetr., I41/a IMA 2018-094


 
8.CJ.10. Pottsite
 
Pottsite (Pb3XBi4-2X)(VO4)4·H2O (0.8 < X < 1.0) tetr., I41/a IMA 1986-045


 
8.CJ.15. Mundrabillaite group
 
Mundrabillaite (NH4)2Ca(PO3OH)2·H2O mon., P2/m IMA 1978-058
Swaknoite (NH4)2Ca(PO3OH)2·H2O orth. IMA 1991-021


 
8.CJ.20. Mcnearite
 
Mcnearite NaCa5(AsO4)(AsO3OH)4·4H2O tric., P1 or P1 IMA 1980-017



 
 
8.CK. With only large cations, RO4:H2O = 1:1 and similar
 
8.CK.05. Haidingerite
 
Haidingerite Ca(AsO3OH)·H2O orth., Pcnb G


 
8.CK.10. Rhabdophane group
 
Rhabdophane-(Y) Y(PO4)·H2O hex., P6222 IMA 2011-031
Rhabdophane-(La) La(PO4)·H2O hex., P6222 FOTO Rn
Rhabdophane-(Ce) Ce(PO4)·H2O hex., P6222 FOTO Rn
Rhabdophane-(Nd) Nd(PO4)·H2O hex., P6222 Rn
Brockite (Ca,Th,Ce)(PO4)·H2O hex. FOTO A
Grayite (Th,Pb,Ca)(PO4)·H2O hex. or ps.-hex. FOTO G
Tristramite (Ca,U,Fe)(PO4,SO4)·2H2O hex., P6222 IMA 1982-037
Smirnovskite (Th,Ca)(PO4)·nH2O Q


 
8.CK.15. Ningyoite
 
Ningyoite (U,Ca,Ce)2(PO4)2·1-2H2O orth., P222 A


 
8.CK.20. Vysokýite
 
Vysokýite U4+(AsO2(OH)2)4·4H2O tric., P1 IMA 2012-067



 
 
8.CL. With only large cations, RO4:H2O < 1:1
 
8.CL.05. Dorfmanite
 
Dorfmanite Na2(PO3OH)·2H2O orth., Pbca IMA 1979-053


 
8.CL.10. Brushite group
 
Brushite Ca(PO3OH)·2H2O mon., Aa G
Ardealite Ca2(PO3OH)(SO4)·4H2O mon., Cc G
Pharmacolite Ca(AsO3OH)·2H2O mon., Ia G
Churchite-(Y) Y(PO4)·2H2O mon., I2/a FOTO A


 
8.CL.15. Vladimirite
 
Vladimirite Ca4(AsO4)2(AsO3OH)·4H2O mon., P21/c Rd


 
8.CL.20. Jeankempite
 
Jeankempite Ca5(AsO4)2(AsO3OH)2·7H2O tric., P1 IMA 2018-090


 
8.CL.25. Guérinite
 
Guérinite Ca5(AsO4)2(AsO3OH)2·9H2O mon., P21/n FOTO Rn


 
8.CL.30. Ferrarisite
 
Ferrarisite Ca5(AsO4)2(AsO3OH)2·9H2O tric., P1 IMA 1979-020


 
8.CL.35. Machatschkiite
 
Machatschkiite (Ca,Na)6(AsO4)2(AsO3OH)3(PO4,SO4)·15H2O trig., R3c IMA 1976-010


 
8.CL.40. Sincosite group
 
Airdite Sr(VO)2(PO4)2·4H2O mon., Cc IMA 2020-046
Sincosite Ca(VO)2(PO4)2·5H2O tric., P1 G
Fulbrightite Ca(VO)2(AsO4)2·5H2O tric., P1 G
Bariosincosite Ba(VO)2(PO4)2·4H2O tric. IMA 1998-047


 
8.CL.45. Thorasphite
 
Thorasphite Th2H(PO4,AsO4)3·6H2O orth., Pbcn IMA 2017-085


 
8.CL.50. Štěpite
 
Štěpite U(AsO3OH)2·4H2O tetr., I41/acd IMA 2012-006


 
8.CL.55. Stercorite
 
Stercorite Na(NH4)(PO3OH)·4H2O tric., P1 G


 
8.CL.60. Rauenthalit
 
Rauenthalite Ca3(AsO4)2·10H2O tric., P1 IMA 1964-007


 
8.CL.65. Phaunouxite
 
Phaunouxite Ca3(AsO4)2·11H2O tric., P1 IMA 1980-062


 
8.CL.70. Catalanoite
 
Catalanoite Na2(PO3OH)·8H2O orth., Ibca IMA 2002-008


 
8.CL.75. Nabaphite group
 
Nabaphite NaBa(PO4)·9H2O cub., P213 IMA 1981-058
Nastrophite NaSr(PO4)·9H2O cub., P213 IMA 1980-051






 
 

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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