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Natropharmacosiderite

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About NatropharmacosideriteHide

Formula:
(Na,K)Fe3+4(AsO4)3(OH)4 · 6-7H2O
Colour:
Light green, dull orange; pale green in transmitted light.
Lustre:
Vitreous
Hardness:
3
Specific Gravity:
2.79
Crystal System:
Isometric
Name:
The name reflects its dominant sodium content and relationship to Pharmacosiderite.
Pharmacosiderite Group.

Initially found on a single museum specimen, presumably a weathering product of arsenopyrite.


Classification of NatropharmacosideriteHide

Approved
Approval Year:
1983
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
42.8.1.2

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : (AB)5(XO4)3Zq·xH2O
20.9.8

20 : Arsenates (also arsenates with phosphate, but without other anions)
9 : Arsenates of Fe

Physical Properties of NatropharmacosideriteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Light green, dull orange; pale green in transmitted light.
Hardness:
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
On {001}, imperfect.
Fracture:
Irregular/Uneven
Density:
2.79 g/cm3 (Measured)    2.9 g/cm3 (Calculated)
Comment:
Calculated density value based on 7H2O.

Optical Data of NatropharmacosideriteHide

Type:
Isotropic
RI values:
n = 1.705
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
High

Chemical Properties of NatropharmacosideriteHide

Formula:
(Na,K)Fe3+4(AsO4)3(OH)4 · 6-7H2O
IMA Formula:
Na2Fe3+4(AsO4)3(OH)5 · 7H2O

Crystallography of NatropharmacosideriteHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
P4 3m
Cell Parameters:
a = 8.012 Å
Unit Cell V:
514.31 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Crystals cubic, occur in aggregates.

Geological EnvironmentHide

Geological Setting:
Oxidized zones of arsenic-bearing deposits.

Type Occurrence of NatropharmacosideriteHide

Place of Conservation of Type Material:
U.S. National Museum of Natural History, Washington, D.C., USA: #146392.
Associated Minerals at Type Locality:

Synonyms of NatropharmacosideriteHide

Other Language Names for NatropharmacosideriteHide

Relationship of Natropharmacosiderite 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
Hydroniumpharmacosiderite(H3O)Fe4(AsO4)3(OH)4 · 4H2OIso. 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

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Natropharmacosiderite associated with NatropharmacoalumiteNaAl4(AsO4)3(OH)4 · 4H2O
2 photos of Natropharmacosiderite associated with Goethiteα-Fe3+O(OH)
1 photo of Natropharmacosiderite associated with ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2O
1 photo of Natropharmacosiderite associated with ArseniosideriteCa2Fe3+3(AsO4)3O2 · 3H2O
1 photo of Natropharmacosiderite associated with ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6
1 photo of Natropharmacosiderite associated with ConichalciteCaCu(AsO4)(OH)
1 photo of Natropharmacosiderite associated with YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2O

Related Minerals - Nickel-Strunz GroupingHide

8.DK.RichelsdorfiteCa2Cu5Sb(AsO4)4(OH)6Cl · 6H2OMon. 2/m : B2/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.10Hydroniumpharmacosiderite(H3O)Fe4(AsO4)3(OH)4 · 4H2OIso. 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 - Hey's Chemical Index of Minerals GroupingHide

20.9.1AngelelliteFe3+4(AsO4)2O3Tric. 1 : P1
20.9.2ScoroditeFe3+AsO4 · 2H2OOrth. mmm (2/m 2/m 2/m)
20.9.3KaňkiteFeAsO4 · 3.5H2OMon. 2 : P2
20.9.4FerrisymplesiteFe3+3(AsO4)2(OH)3 · 5H2O
20.9.5KaatialaiteFe(H2AsO4)3 · 5H2OMon. 2/m
20.9.6SymplesiteFe2+3(AsO4)2 · 8H2OTric. 1 : P1
20.9.7ParasymplesiteFe2+3(AsO4)2 · 8H2OMon. 2/m : B2/m
20.9.9PharmacosideriteKFe3+4(AsO4)3(OH)4 · 6-7H2OIso. 4 3m : P4 3m
20.9.10KolfaniteCa2Fe3+3O2(AsO4)3 · 2H2OMon.
20.9.11ArseniosideriteCa2Fe3+3(AsO4)3O2 · 3H2OMon. 2/m : B2/b
20.9.12YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2OOrth. mm2
20.9.13DussertiteBaFe3+3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
20.9.14Liskeardite[(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2OOrth.
20.9.15MapimiteZn2Fe3+3(AsO4)3(OH)4 · 10H2OMon.
20.9.16OgdensburgiteCa2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
20.9.17WalentaiteFe3+3(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9Orth. mmm (2/m 2/m 2/m) : Imma

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 NatropharmacosideriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Peacor, D. R. and Dunn, P. J. (1985): Sodium-pharmacosiderite, a new analog of pharmacosiderite from Australia and new occurrences of barium-pharmacosiderite. Mineralogical Record, 16, 121-124.
American Mineralogist (1986): 71: 230 (abstract).
Kokinos, M. and W.S. Wise (1993) The Gold Hill mine, Tooele County, Utah. Mineralogical Record, 24, 11–22.
Hager, S. L., Leverett, P., Williams, P. A., Mills, S. J., Hibbs, D. E., Raudsepp, M., Kampf, A. R. & Birch, W. D. (2010) The single-crystal X-ray structures of bariopharmacosiderite-C, bariopharmacosiderite-Q and natropharmacosiderite. Canadian Mineralogist, 48(6), 1477–1485.

Internet Links for NatropharmacosideriteHide

Localities for NatropharmacosideriteHide

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.
Australia
 
  • South Australia
    • Mt Lofty Ranges
      • South Mt Lofty Ranges (Adelaide Hills)
        • Callington
  • Victoria
    • Loddon Shire
No reference listed
  • Western Australia
    • Yilgarn Shire
      • Mount Jackson Goldfield
Peacor, D. R. and Dunn, P. J. (1985): Sodium-pharmacosiderite, a new analog of pharmacosiderite from Australia and new occurrences of barium-pharmacosiderite. Mineralogical Record, 16, 121-124.
Chile
 
  • Antofagasta
    • El Loa Province
      • Calama
        • Chuquicamata District
Sample analysed and confirmed by Dr. Stuart Mills, Department of Earth Ciences, Vancouver University, Canada
  • Tarapacá
    • Iquique Province
      • Salar Grande
SEM-EDS by Joy Desor
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
C.Boutry Collection
Rieck, B., Kolitsch, U., Voudouris, P., Giester, G. and Tzeferis, P. (2018): Weitere Neufunde aus Lavrion, Griechenland. Mineralien-Welt 29 (5), 32-77 (in German).
Italy
 
  • Sardinia
    • South Sardinia Province
      • Gonnosfanadiga
        • Fenugu Sibiri Mine
Caboni, F., Mamberti, M., Tanca, G.A., Vinci, A., Bittarello, E., Marengo, A., Brizio, P., Bracco, R., Baralis, L., Desor, J., Ciriotti, M.E. (2018): Arseniati, arseniuri e altre novità di Pira Inferida - Fenugu Sibiri, Gonnosfanadiga, Sud Sardegna. Micro, 16, 110-156 (in Italian with abstracts in English, French and German).
South Africa
 
  • Mpumalanga
    • Nkangala District
      • Delmas
Minerals of South Africa
Spain
 
  • Andalusia
    • Almería
      • Níjar
        • Rodalquilar
Calvo, Miguel. (2015). Minerales y Minas de España. Vol. VII. Fosfatos, Arseniatos y Vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 479 págs.
  • Murcia
    • Mazarrón
      • Pastrana
Jordi Fabre
UK
 
  • England
    • Cornwall
      • Perranzabuloe
        • Perranporth
Weiß, S., Merry, M. & Ansermet, S. (2017): Neufunde aus Cornwall: Cannonit, Arthurit, Auriacusit. Lapis, 42 (1), 20-23; 62 (in German).
USA
 
  • Nevada
    • Humboldt Co.
      • Iron Point Mining District
        • Valmy
Silver Coin Mine. Compact Disc. Paul Adams
  • Utah
    • Tooele Co.
      • Gold Hill Mining District (Clifton Mining District)
        • Gold Hill
          • Gold Hill Mine (Western Utah Mine)
Kokinos, M. and Wise, W.S. (1993), Famous Mineral Localities: the Gold Hill mine, Tooele County, Utah. Mineralogical Record: 24(1): 11-22.
Min Rec 24:1 pp11-22
 
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