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Hydroniumpharmacosiderite

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Formula:
(H3O)Fe4(AsO4)3(OH)4 · 4H2O
Crystal System:
Isometric
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Classification of HydroniumpharmacosideriteHide

Approved
Approval Year:
2010
8.DK.10

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
K : With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
42.8.1a.4

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : (AB)5(XO4)3Zq·xH2O

Chemical Properties of HydroniumpharmacosideriteHide

Formula:
(H3O)Fe4(AsO4)3(OH)4 · 4H2O
IMA Formula:
(H3O)Fe3+4(AsO4)3(OH)4 · 4H2O

Crystallography of HydroniumpharmacosideriteHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
P4 3m
Setting:
P4 3m
Cell Parameters:
a = 7.9587(2) Å
Unit Cell V:
504.11 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.050 (100)
4.628 (22)
4.005 (14)
3.265 (35)
2.830 (23)
2.528 (19)
2.412 (30)
1.787 (14)

Type Occurrence of HydroniumpharmacosideriteHide

Place of Conservation of Type Material:
Harvard Mineralogical Museum, cataloue no. 142784

Synonyms of HydroniumpharmacosideriteHide

Relationship of Hydroniumpharmacosiderite to other SpeciesHide

Other Members of this group:
BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2OTet. 4 2m : P4 2m
CaesiumpharmacosideriteCsFe4[(AsO4)3(OH)4]·4H2OIso. 4 3m : P4 3m
Natropharmacosiderite(Na,K)Fe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
PharmacosideriteKFe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
PlumbopharmacosideritePb0.5Fe3+4(AsO4)3(OH)4·5H2OIso. 4 3m : P4 3m
StrontiopharmacosideriteSr0.5Fe4[(AsO4)3(OH)4]·4H2O Tet. 4 2m : P4 2m
ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4]·4H2OIso. 4 3m : F4 3m

Related Minerals - Nickel-Strunz GroupingHide

8.DK.RichelsdorfiteCa2Cu5Sb(AsO4)4(OH)6Cl · 6H2OMon. 2/m
8.DK.10BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2OTet. 4 2m : P4 2m
8.DK.10PharmacosideriteKFe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
8.DK.10Natropharmacosiderite(Na,K)Fe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
8.DK.12PharmacoalumiteKAl4(AsO4)3(OH)4 · 6.5H2OIso. 4 3m : P4 3m
8.DK.12NatropharmacoalumiteNaAl4(AsO4)3(OH)4 · 4H2OIso. 4 3m : P4 3m
8.DK.12BariopharmacoalumiteBa0.5Al4(AsO4)3(OH)4 · 4H2OIso. 4 3m : P4 3m
8.DK.15BurangaiteNaFe2+Al5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.15DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.15NatrodufréniteNaFe2+Fe3+5(PO4)4(OH)6 · 2H2OMon.
8.DK.15MatioliiteNaMgAl5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.15GayiteNaMn2+Fe3+5(PO4)4(OH)6 · 2H2OMon. 2/m : B2/b
8.DK.20KidwelliteNaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33Mon. 2/m : P2/b
8.DK.25Bleasdaleite(Ca,Fe3+)2Cu5(Bi,Cu)(PO4)4(H2O,OH,Cl)13Mon.
8.DK.30Matulaite(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8 · 8H2OMon.
8.DK.35KrasnoviteBa(Al,Mg)(PO4,CO3)(OH)2 · H2OOrth.

Related Minerals - Dana Grouping (8th Ed.)Hide

42.8.1a.1PharmacosideriteKFe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
42.8.1a.3BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2OTet. 4 2m : P4 2m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for HydroniumpharmacosideriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
S. J. Mills, S. L. Hager, P. Leverett, P. A. Williams and M. Raudsepp (2010): The structure of H3O+-exchanged pharmacosiderite. Mineralogical Magazine 74, 487-492.
Mills, S.J., et al (2010): Hydroniumpharmacosiderite, IMA 2010-014. CNMNC Newsletter, June 2010, p.579; Mineralogical Magazine 74,577-579

Internet Links for HydroniumpharmacosideriteHide

Localities for HydroniumpharmacosideriteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Chile
 
  • Coquimbo Region
    • Elqui Province
      • El Indio deposit
        • Tambo Mine
Mills, S. J., Kampf, A. R., Williams, P. A., Leverett, P., Poirier, G., Raudsepp, M. & Francis, C. A. (2010): Hydroniumpharmacosiderite, a new member of the pharmacosiderite supergroup from Cornwall, UK: structure and description. Mineralogical Magazine, 74, 863-869. (p. 868)
UK (TL)
 
  • England
Mills, S. J., Kampf, A. R., Williams, P. A., Leverett, P., Poirier, G., Raudsepp, M. & Francis, C. A. (2010): Hydroniumpharmacosiderite, a new member of the pharmacosiderite supergroup from Cornwall, UK: structure and description. Mineralogical Magazine, 74, 863-869.
Mineral and/or Locality  
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