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Ordoñezite

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Ezequiel Ordoñez
Formula:
ZnSb25+O6
System:
Tetragonal
Colour:
Very light to very dark ...
Lustre:
Adamantine
Hardness:
Name:
Named in 1955 by George Switzer and William Frederick Foshag in honor of Ezequiel Ordoñez [April 10, 1867 San Nicolás Peralta, Lierma, Mexico, Mexico - February 8, 1950 Mexico City, Mexico], professor of mineralogy and geology at the Escuela Nacional Preparatoria, where he also worked on the geologic map of Mexico published in 1889. Ordoñez became an expert in petroleum geology and greatly influenced the development of petroleum extraction. Ordoñez was eventually appointed head of the Instituto de Geologia de Mexico.

Classification of Ordoñezite

Approved, 'Grandfathered' (first described prior to 1959)
First Published:
1955
4.DB.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra
44.2.1.2

44 : ANTIMONATES
2 : AX2O6
24.2.4

24 : Antimonates and Antimonites
2 : Antimonates of Be, Mg, Ca, Zn or Hg

Physical Properties of Ordoñezite

Adamantine
Colour:
Very light to very dark brown, variable from colorless to pearl gray, olive buff to dark olive, light yellowish olive, bone brown (Ridgeway), transparent.
Hardness (Mohs):
Cleavage:
None Observed
Fracture:
Conchoidal
Density:
6.635 g/cm3 (Measured)    6.657 g/cm3 (Calculated)

Optical Data of Ordoñezite

Type:
Uniaxial (+)
Comments:
RI > 2.0

Chemical Properties of Ordoñezite

IMA Formula:
ZnSb25+O6
Elements listed in formula:
Common Impurities:
Al,Si

Crystallography of Ordoñezite

Crystal System:
Tetragonal
Cell Parameters:
a = 4.66 Å, c = 9.26 Å
Ratio:
a:c = 1 : 1.987
Unit Cell Volume:
V 201.09 ų (Calculated from Unit Cell)
Morphology:
Drusy or stalactitic masses of repeatedly twinned tetragonal crystals having a maximum size of 2 mm.
Twinning:
Twin plane (013)

Crystallographic forms of Ordoñezite

Crystal Atlas:
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Ordoñezite - {011}, {001}, {100}
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Type Occurrence of Ordoñezite

Place of Conservation of Type Material:
The Natural History Museum, London, England, 1965,208.
Harvard University, Cambridge, Massachusetts, 110282.
National Museum of Natural History, Washington, D.C., USA, R9127.
Geological Setting of Type Material:
Cassiterite bearing veins in rhyolite.

Relationship of Ordoñezite to other Species

4.DB.05ArgutiteGeO2
4.DB.05CassiteriteSnO2
4.DB.05PlattneritePbO2
4.DB.05PyrolusiteMnO2
4.DB.05RutileTiO2
4.DB.05TripuhyiteFe3+Sb5+O4
4.DB.05TugarinoviteMoO2
4.DB.05Varlamoffite(Sn,Fe)(O,OH)2
4.DB.10ByströmiteMgSb25+O6
4.DB.10Tapiolite-(Fe)Fe2+Ta2O6
4.DB.10Tapiolite-(Mn)Mn2+Ta2O6
4.DB.15bAkhtenskiteMnO2
4.DB.15cNsutiteMnx2+Mn4+1-xO2-2x(OH)2x
4.DB.15aParamontroseiteVO2
4.DB.15aRamsdelliteMn4+O2
4.DB.20ScrutinyitePbO2
4.DB.25Ishikawaite(U,Fe,Y)NbO4
4.DB.25Ixiolite(Ta,Mn,Nb)O2
4.DB.25Samarskite-(Y)(Y,Ce,U,Fe,Nb)(Nb,Ta,Ti)O4
4.DB.25SrilankiteTi2ZrO6
4.DB.25Yttrocolumbite-(Y)(Y,U,Fe2+)(Nb,Ta)O4
4.DB.25Calciosamarskite(Ca,Fe,Y)(Nb,Ta,Ti)O4
4.DB.25Samarskite-(Yb)YbNbO4
4.DB.30FerberiteFe2+WO4
4.DB.30HübneriteMn2+WO4
4.DB.30SanmartiniteZnWO4
4.DB.30KrasnoselskiteCoWO4
4.DB.30HeftetjerniteScTaO4
4.DB.30HuanzalaiteMgWO4
4.DB.35Columbite-(Fe)Fe2+Nb2O6
4.DB.35Tantalite-(Fe)Fe2+Ta2O6
4.DB.35Columbite-(Mn)Mn2+Nb2O6
4.DB.35Tantalite-(Mn)Mn2+Ta2O6
4.DB.35Columbite-(Mg)MgNb2O6
4.DB.35QitianlingiteFe22+Nb2W6+O10
4.DB.35Magnocolumbite(Mg,Fe,Mn)(Nb,Ta)2O6
4.DB.35Tantalite-(Mg)MgTa2O6
4.DB.40FerrowodginiteFe2+Sn4+Ta2O8
4.DB.40LithiotantiteLiTa3O8
4.DB.40LithiowodginiteLiTa3O8
4.DB.40TitanowodginiteMn2+TiTa2O8
4.DB.40WodginiteMn2+Sn4+Ta2O8
4.DB.40FerrotitanowodginiteFe2+TiTa2O8
4.DB.40WolframowodginiteMn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8
4.DB.45TivaniteTiV3+O3(OH)
4.DB.50Carmichaelite(Ti,Cr,Fe)(O,OH)2
4.DB.55AlumotantiteAlTaO4
4.DB.60BiehliteSb23+MoO6
24.2.1SwedenborgiteNaBe4Sb5+O7
24.2.2ByströmiteMgSb25+O6
24.2.3Roméite Group
24.2.5TheisiteCu5Zn5As2O8(OH)14
24.2.6ShakhoviteHg41+Sb5+O3(OH)3

Other Names for Ordoñezite

Name in Other Languages:

Other Information

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 Ordoñezite

Reference List:
Byström, A., Hök, B., Mason, B. (1942) The crystal structure of zinc metantimonate and similar compounds. Arkiv för Kemi, Mineralogi och Geologi: 15B4: 1-8.

Switzer, G., Foshag, W.F. (1955) Ordoñezite, zinc antimonate, a new mineral from Guanajuato, Mexico. American Mineralogist: 40: 64-69.

Donaldson, J.D., Kjekshus, A., Nicholson, D.G., Rakke, T. (1975) Properties of Sb-compounds with rutile-like structures. Acta Chemica Scandinavica: A29: 803-809.

Ercit, T.S., Foord, E.E., Fitzpatrick, J.J. (2002) Ordoñezite from the Theodoso Soto mine, Sapioris, Durango, Mexico: new data and structural refinement. The Canadian Mineralogist: 40: 1207-1210.

Roper, A.J., Leverett, P., Murphy, T.D., Williams, P.A. (2015) Stabilities of byströmite, MgSb2O6, ordoñezite, ZnSb2O6 and rosiaite, PbSb2O6, and their possible roles in limiting antimony mobility in the supergene zone. Mineralogical Magazine: 79: 537-544.

Internet Links for Ordoñezite

mindat.org URL:
https://www.mindat.org/min-3014.html
Please feel free to link to this page.

Localities for Ordoñezite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Canada
 
  • Ontario
    • Hastings Co.
      • Madoc area
        • Huntingdon Township
Josef Vajdak (2008) Mineral News, 24, #3, 15.
Germany
 
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
Italy
 
  • Tuscany
    • Grosseto Province
      • Montieri
        • Gerfalco
Batacchi, C., Ciriotti, M.E., Galli, E. (2011): L'antimonio di "Podere Montevecchio", Gerfalco, Toscana centro-meridionale: Primo ritrovamento europeo di ordoñezite. Micro, 2/2011, 66-72
Mexico
 
  • Durango
    • Mun. de Coneto de Comonfort
      • América-Sapioris District (Potrillos)
        • Sapioris
Can Min 40, 4, (2002), 1207-1210
  • Guanajuato
    • Mun. de Santa Catarina
      • Santa Catarina
        • Cerro de las Fajas
Panczner (1987): 289.; Am Min (1955) 40 (1-2), 64-69
  • Sonora
    • Mun. de Caborca
RRUFF project
Switzerland
 
  • Ticino (Tessin)
    • Malcantone
Schmutz, L., Bachmann, A., Eichin, R., Rüegg, H.-R. & Vogel, C. (1986): Antimon-Mineralien aus dem Malcantone - Vorkommen und Ausbildung. Schweizer Strahler, No. 6, 249-289 (in German and French).; Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 291.
Schmutz, L., Bachmann, A., Eichin, R., Rüegg, H.-R. & Vogel, C. (1986): Antimon-Mineralien aus dem Malcantone - Vorkommen und Ausbildung. Schweizer Strahler, No. 6, 249-289.
USA
 
  • New Mexico
    • Socorro Co.
Minerals of New Mexico 3rd ed.
Mineral and/or Locality  
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