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Clairite

A valid IMA mineral species
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Photos of Clairite (18)
Clairite GallerySearch Photos of Clairite
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Very slowly soluble in water. Chemically related toUnnamed (Fe analogue of huizingite-(Al)), the second both basic and hydrated NH4-Fe sulphate mineral after clairite. Compare also, e.g.,carlsonite,lonecreekite;mohrite.


Unique Identifiers
IMA Formula:
(NH4)2Fe3+3(SO4)4(OH)3 · 3H2O

Approval year:
1982
First published:
1984
Type description reference:
Martini, J.E.J. (1984) Lonecreekite, sabieite, and clairite, new secondary ammonium ferric-iron sulfates from Lone Creek Fall cave, near Sabie, eastern Transvaal. Annals of the Geological Survey (South Africa): 17: 29-34.

Classification of Clairite
Dana 8th ed.:
31.10.8.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
10 : Miscellaneous

Hey's CIM Ref.:
25.11.15

25 : Sulphates
11 : Sulphates of Fe and other metals

Mineral Symbols
Surface Relief:
Moderate
Dispersion:
r > v or r < v
Pleochroism:
Weak
Comments:
X= pale yellow
Z'= dark yellow

Chemistry of Clairite

Crystallography of Clairite
Place of Conservation of Type Material:
Museum of the Geological Survey of South Africa (now the Council for Geoscience), Pretoria, South Africa
Geological Setting of Type Material:
Alteration of pyrite and decaying organic material (Hyrex excreta).
Reference:
Martini, J.E.J. (1984) Lonecreekite, sabieite, and clairite, new secondary ammonium ferric-iron sulfates from Lone Creek Fall cave, near Sabie, eastern Transvaal. Annals of the Geological Survey (South Africa): 17: 29-34.

Synonyms of Clairite

Other Language Names for Clairite

Common AssociatesMon. 2/m :P21/b7.DF.AlcaparrosaiteK3Ti4+Fe3+(SO4)4O(H2O)2Mon. 2/m :B2/b7.DF.FlaggitePb4Cu2+4Te6+2(SO4)2O11(OH)2(H2O)Tric. 1 :P17.DF.BairditePb2Cu2+4Te6+2O10(OH)2(SO4) · H2OMon. 2/m :P21/b7.DF.TzeferisiteCaZn8(SO4)2(OH)12Cl2(H2O)9Trig.3m(32/m) :R3c7.DF.Cherokeeite[Pb2Zn(OH)4](SO4) · H2OMon. 2/m7.DF.Ammoniomathesiusite(NH4)5(UO2)4(SO4)4(VO5) · 4H2OTet. 4/m :P4/n7.DF.ErssoniteMg7Fe3+2(OH)18[Ca(H2O)6](SO4)2 · 12H2OTrig.3m(32/m) :P3c17.DF.PoellmanniteCa6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig.3 :R37.DF.Carlsonite(NH4)5Fe3+3O(SO4)6 · 7H2OTric.1 :P17.DF.Aldridgeite(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m :B2/b7.DF.Cuprocherokeeite[Pb8Zn3Cu2+(OH)16](SO4)4 · 4H2OMon. 2/m7.DF.Haywoodite[Pb(H2O)10][Zn12(OH)20(H2O)(SO4)3]Tric.1 :P17.DF.ChromschieffelinitePb10Te6+6O20(OH)14(CrO4)(H2O)5Orth. 222 :C22217.DF.05UklonskoviteNaMg(SO4)F · 2H2OMon. 2/m :P21/m7.DF.10KainiteKMg(SO4)Cl · 3H2OMon. 2/m :B2/m7.DF.10KaliochalciteKCu2(SO4)2[(OH)(H2O)]Mon. 2/m :B2/m7.DF.15NatrochalciteNaCu2(SO4)2(OH) · 2H2OMon. 2/m :B2/m7.DF.17GenplesiteCa3Sn(SO4)2(OH)6 · 3H2OHex. 6/mmm(6/m2/m2/m) :P63/mmc7.DF.17Unnamed (Ba-Sb Silicate-Sulphate-Hydroxide-Hydrate)Ba3Sb5+[(Si,S)O3(OH)]2(OH,O)6 · 3H2OTrig.3 :P37.DF.20SideronatriteNa2Fe(SO4)2(OH) · 3H2OOrth. 222 :P2121217.DF.20MetasideronatriteNa2Fe(SO4)2(OH) · H2OOrth.mmm(2/m2/m2/m)7.DF.25FleischeritePb3Ge(SO4)2(OH)6 · 3H2OHex. 6/mmm(6/m2/m2/m) :P63/mmc7.DF.25MallestigitePb3Sb5+(SO4)(AsO4)(OH)6 · 3H2OHex. 6 :P637.DF.25SchaurteiteCa3Ge(SO4)2(OH)6 · 4H2OHex. 6/mmm(6/m2/m2/m) :P63/mmc7.DF.25DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2OHex.6m2 :P62c7.DF.30Slavíkite(H3O+)3Mg6Fe15(SO4)21(OH)18 · 98H2OTrig.3 :R37.DF.35MetavoltineK2Na6Fe2+Fe3+6O2(SO4)12 · 18H2OTrig.7.DF.40LannoniteMg2Ca4Al4(SO4)8F8 · 24H2OTet. 4/m :I4/m7.DF.40VlodavetsiteAlCa2(SO4)2F2Cl · 4H2OTet. 4/m :I4/m7.DF.45PeretaiteCa(SbO)4(SO4)2(OH)2 · 2H2OMon. 2/m :B2/b7.DF.50GordaiteNaZn4(SO4)(OH)6Cl · 6H2OTrig.3 :P37.DF.50CalamaiteNa2TiO(SO4)2 · 2H2OOrth.mmm(2/m2/m2/m) :Ibam7.DF.52Huizingite-(Al)[(NH4)9(SO4)2][(Al,Fe3+)3(OH)2(H2O)4(SO4)6]Tric.1 :P17.DF.52ScordariiteK8(Fe3+0.67◻0.33)[Fe3+3O(SO4)6]2 · 14H2OTrig.3 :R37.DF.55GiacovazzoiteK5Fe3+3O(SO4)6 · 10H2OMon. 2/m :P21/b7.DF.57MagnanelliiteK3Fe3+2(SO4)4(OH)(H2O)2Mon. 2/m :B2/b7.DF.60ArzruniteCu4Pb2(SO4)(OH)4Cl6 · 2H2O (?)Orth.7.DF.60EvdokimoviteTl4(VO)3(SO4)5(H2O)5Mon. 2/m7.DF.62Bridgesite-(Ce)CaCe2Cu6(SO4)4(OH)12 · 8H2OMon. 2/m :B2/m7.DF.65ElyitePb4Cu(SO4)O2(OH)4 · H2OMon. 2/m :P21/b7.DF.70YecoraiteFe3+3Bi5(Te6+O4)2(Te4+O3)O9 · 9H2O7.DF.70LautenthalitePbCu4(SO4)2(OH)6 · 3H2OMon. 2/m :P21/b7.DF.75RiomarinaiteBi(SO4)(OH) · H2OMon. 2/m7.DF.80DukeiteBi3+24Cr6+8O57(OH)6 · 3H2OTrig. 3m :P31c

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    • References for ClairiteⓘHeřmaniceDalibor MatýsekDalibor Matýsek+1 other reference
    Germany
     
    Walenta (1992)+1 other referenceWitzke et al. (2015)Košek (2018)
    Hungary
     
    Sándor et al. (2005)Szakáll et al. (2008)
    Italy
     
    Russo et al. (2017)
    Poland
     
    Parafiniuk et al. (2009)
    South Africa (TL)
     
    Martini (1983)+1 other reference
    USA
     
    Richards et al. (2017)
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