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Strontiopharmacosiderite

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Formula:
Sr0.5Fe4[(AsO4)3(OH)4]·4H2O
Crystal System:
Tetragonal
Name:
The first chemical analysis of strontium-dominant pharmacosiderite was by Dunn (1995 )who found the species as zones within bariopharmacosiderite, but due to the small quantity of the mineral, he did not pursue the species nor give it a name. Strontiopharmacosiderite was first published as a new species by S. Ansermet, N. Meisser, and S. Cuchet, but without IMA approval in 2011. The mineral was IMA approved in 2013.
This page provides mineralogical data about Strontiopharmacosiderite.


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Classification of StrontiopharmacosideriteHide

Approved
Approval Year:
2013

Chemical Properties of StrontiopharmacosideriteHide

Formula:
Sr0.5Fe4[(AsO4)3(OH)4]·4H2O
IMA Formula:
Sr0.5Fe4[(AsO4)3(OH)4] · 4H2O

Crystallography of StrontiopharmacosideriteHide

Crystal System:
Tetragonal
Class (H-M):
4 2m - Scalenohedral
Space Group:
P4 2m
Setting:
P4 2m
Cell Parameters:
a = 8.084(27) Å, c = 8.151(5) Å
Ratio:
a:c = 1 : 1.008
Unit Cell V:
532.68 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.309(55)
2.874(100)
2.574(45)
2.456(40)
2.332(55)
1.908(50)
1.808(60)

Type Occurrence of StrontiopharmacosideriteHide

Place of Conservation of Type Material:
Musée Cantonal de Géologie, Lausanne,Switzerland, registration number MGL 92956; cotype material is housed in the Geosciences collections at Museum Victoria, Melbourne,
Australia, registration number M52282, and the Type Collection of the Natural History

Synonyms of StrontiopharmacosideriteHide

Relationship of Strontiopharmacosiderite 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
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
ThalliumpharmacosideriteTlFe4[(AsO4)3(OH)4]·4H2OIso. 4 3m : F4 3m

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 StrontiopharmacosideriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ansermet, S., Meisser, N. & Cuchet, S. (2011): Ein Hauch Carrara im Wallis - zur Mineralogie des Steinbruchs La Plâtrière in Lens. Schweizer Strahler 2/2011, 2-17 (in German/French).
Mills, S.J., Meisser, N., Rumsey, M.S., Hay, D.G., Spratt, J., Ansermet, S. and Vonlanthen, P. (2014) Strontiopharmacosiderite, IMA 2013-101. CNMNC Newsletter No. 19, February 2014, page 166; Mineralogical Magazine, 78, 165-170.

Internet Links for StrontiopharmacosideriteHide

Localities for StrontiopharmacosideriteHide

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.
Switzerland (TL)
 
  • Wallis (Valais)
    • Sion (Sitten)
      • Granges (Lens)
Ansermet, S., Meisser, N. & Cuchet, S. (2011): Ein Hauch Carrara im Wallis - zur Mineralogie des Steinbruchs La Plâtrière in Lens. Schweizer Strahler 2/2011, 2-17 (in German/French).
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin mining district
        • Ogdensburg
          • Sterling Hill
Dunn, 1995, 2004
Mineral and/or Locality  
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