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Stetefeldtite

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About StetefeldtiteHide

Formula:
Ag2Sb2(O,OH)7
Colour:
Brown, black, green, yellow
Lustre:
Earthy
Hardness:
3½ - 4½
Specific Gravity:
4.12 - 4.24
Crystal System:
Isometric
Name:
Named after Karl August Stetefeldt (28 September 1838, Holzhausen, near Gotha, Germany - 17 March 1896, Oakland, California, USA), mining engineer and metallurgist.
Very old references (Riotte 1867, Mason & Vitaliano 1953).
Probably 'argentoroméite'. This material needs to be examined chemically and structurally.


Classification of StetefeldtiteHide

'Grandfathered' (first described prior to 1959), Questionable
First Published:
2013
4.DH.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra
44.1.1.5

44 : ANTIMONATES
1 : A2X2O6(O,OH,F)
24.1.5

24 : Antimonates and Antimonites
1 : Antimonates and antimonites of Na, Cu or Ag

Physical Properties of StetefeldtiteHide

Earthy
Colour:
Brown, black, green, yellow
Streak:
Shiny yellow
Hardness:
3½ - 4½ on Mohs scale
Density:
4.12 - 4.24 g/cm3 (Measured)    

Chemical Properties of StetefeldtiteHide

Formula:
Ag2Sb2(O,OH)7
IMA Formula:
Ag2Sb2(O,OH)7(?)

Crystallography of StetefeldtiteHide

Crystal System:
Isometric

First Recorded Occurrence of StetefeldtiteHide

Other Language Names for StetefeldtiteHide

Related Minerals - Nickel-Strunz GroupingHide

4.DH.Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6FIso. m3m (4/m 3 2/m)
4.DH.Roméite Group
4.DH.Hydroxykenomicrolite(◻,Na,Sb3+)2Ta2O6(OH)Iso.
4.DH.OxyplumboroméitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.Cesiokenopyrochlore□Nb2(O,OH)6Cs1−x (x ∼ 0.20)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.05Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6Mon. 2/m : B2/m
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2Orth.
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6Mon.
4.DH.10KassiteCaTi2O4(OH)2Orth.
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6Mon.
4.DH.15Bariomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Betafite (of Hogarth 1977)A2-mD2X6-wZ1+wIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)A2-mD2X6-wZ1-n
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)A2-mD2X6-wZ1-nIso.
4.DH.15Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)Iso.
4.DH.15Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6FIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutopyrochlore (of Chukanov et al.)(Bi,Ca,U,Pb)2-xNb2(O,OH)6(OH)Amor.
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BindheimitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20MonimolitePb2Sb5+2O7Iso. m3m (4/m 3 2/m)
4.DH.20CuproroméiteCu2Sb2(O,OH)7Iso.
4.DH.20StibiconiteSb3+Sb5+2O6(OH)
4.DH.25RosiaitePbSb5+2O6Trig. 3m (3 2/m) : P3 1m
4.DH.30ZirconoliteCaZrTi2O7Orth.
4.DH.35LiandratiteU(Nb,Ta)2O8Trig.
4.DH.35PetscheckiteUFe(Nb,Ta)2O8Hex.
4.DH.40IngersoniteCa3Mn2+Sb5+4O14Trig. 3 2 : P31 2 1
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2OHex. 6 m2 : P6m2

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

44.1.1.1StibiconiteSb3+Sb5+2O6(OH)
44.1.1.2BindheimitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
44.1.1.3Roméite Group
44.1.1.4MonimolitePb2Sb5+2O7Iso. m3m (4/m 3 2/m)
44.1.1.6BismutostibiconiteBi(Sb5+,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m
44.1.1.7CuproroméiteCu2Sb2(O,OH)7Iso.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

24.1.1MopungiteNa[Sb5+(OH)6]Tet. 4/m : P42/n
24.1.2Cetineite(K,Na)6Sb3+12(Sb3+S3)2O18(OH)0.5 · 5,5H2OHex. 6 : P63
24.1.3CuproroméiteCu2Sb2(O,OH)7Iso.
24.1.4CualstibiteCu2Al(OH)6[Sb5+(OH)6]Trig. 3 : P3

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 StetefeldtiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Riotte, E. (1867) Stetefeldtit, ein neues Mineral. Berg- und Huttenmænnische Zeitung: 26: 253-254.
Palache, C., Berman, H., Frondel, C. (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 598.
Mason, B., Vitaliano, C.J. (1953) The Mineralogy of the Antimony Oxides and Antimonates. Mineralogical Magazine) 30: 100-112.
Fleischer, M. (1954) New mineral names. American Mineralogist: 39: 402-408.
Atencio, D., Andrade, M.B., Christy, A.G., Gieré, R., Kartashov, P.M. (2010) The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist: 48: 673-698.
Christy, A.G., Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.

Internet Links for StetefeldtiteHide

Localities for StetefeldtiteHide

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
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
Birch
  • Tasmania
    • West Coast municipality
      • Zeehan district
        • Dundas mineral field
Bill Birch unpub data
Austria
 
  • Tyrol
    • North Tyrol
      • Inn valley
        • Brixlegg - Schwaz area
          • Brixlegg - Rattenberg
            • Geyer - Silberberg District
              • Silberberg
Schnorrer, G. and Poeverlein, R. (2002) Schwaz-Brixlegg-Fundstellen: 2. Die Minerale des Stockerstollens bei Brixlegg in Tirol. Aufschluss, 53, 209-228.
France
 
  • Brittany
    • Côtes-d'Armor
      • Belle-Isle-en-Terre
Chauris, L. (2014) Minéraux de Bretagne, Les Editions du Piat, 144.
Germany
 
  • Lower Saxony
    • Harz
      • St Andreasberg District
No reference listed
USA
 
  • Arizona
    • Cochise Co.
      • Johnny Lyon Hills
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 381.
    • La Paz Co.
      • Trigo Mts
        • Silver District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 381; Edson, G.M. (1980), The Red Cloud mine, Yuma, AZ, Min.Rec.: 11: 141-152; Rocks & Min.: 61:55-56.
    • Pima Co.
      • Tucson Mts
        • Amole District
          • Snyder Hill
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 381.
  • Nevada
    • Esmeralda Co.
      • Gilbert District
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
      • Silver Peak District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Lander Co.
NBMG Spec. Pub. 31 Minerals of Nevada
    • Lincoln Co.
      • Pahranagat District
NBMG Bull 73 Geology and Mineral Resources of Lincoln County, Nevada
    • Mineral Co.
NBMG Spec. Pub. 31 Minerals of Nevada
    • Nye Co.
      • Hot Creek Range
NBMG Spec. Pub. 31 Minerals of Nevada
      • Shoshone Mts
NBMG Spec. Pub. 31 Minerals of Nevada
      • Toquima Range
        • Belmont District
          • Belmont
NBMG Spec. Pub. 31 Minerals of Nevada; J.V. Tingley and J. Quade (1986) A mineral inventory of the Tonopah Resource Area, Battle Mountain District, Nevada. Nevada Bureau of Mines and Geology OFR 86-14
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Bull 99B Geology and Mineral Resources of Northern Nye County, Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
    • White Pine Co.
      • White Pine District
NBMG Bull 85 Geology and Mineral Resources of White Pine County, Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Socorro Co.
Minerals of New Mexico 3rd ed.
Mineral and/or Locality  
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