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Stanĕkite

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About StanĕkiteHide

Formula:
(Mn2+,Fe2+,Mg)Fe3+(PO4)O
Colour:
Black
Lustre:
Greasy
Hardness:
4 - 5
Crystal System:
Monoclinic
Member of:
Name:
Named after Josef Stanĕk (1928-), Professor of Mineralogy, Masarykov University, Brno, Czech Republic, a specialist in phosphate mineralogy.
Wagnerite Group.

Two polytypes are known: Ma2bc (type material) and Mabc (space group I2/a; Keller et al., 2005).


Classification of StanĕkiteHide

Approved
Approval Year:
1994
8.BB.15

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
B : With only medium-sized cations, (OH, etc.):RO4 about 1:1
41.6.3.4

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq

Physical Properties of StanĕkiteHide

Greasy
Colour:
Black
Streak:
Dark brown
Hardness:
4 - 5 on Mohs scale

Optical Data of StanĕkiteHide

Type:
Uniaxial
RI values:
nα = 2.010 nβ = 2.110
Max Birefringence:
δ = 2.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of StanĕkiteHide

Formula:
(Mn2+,Fe2+,Mg)Fe3+(PO4)O
IMA Formula:
Fe3+Mn2+O(PO4)

Crystallography of StanĕkiteHide

Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
Stanĕkite-Ma2bcStanĕkite-Mabc
  
  
  
  
  


  
  
  

Type Occurrence of StanĕkiteHide

Synonyms of StanĕkiteHide

Other Language Names for StanĕkiteHide

Relationship of Stanĕkite to other SpeciesHide

Member of:
Other Members of this group:
ArsenowagneriteMg2(AsO4)FMon. 2/m : P21/b
HydroxylwagneriteMg2(PO4)(OH)Mon. 2/m : P21/b
JoosteiteMn2+(Mn3+,Fe3+)(PO4)OMon. 2/m
SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
Wagnerite(Mg,Fe2+)2(PO4)FMon. 2/m : P21/b

Related Minerals - Nickel-Strunz GroupingHide

8.BB.XArsenowagneriteMg2(AsO4)FMon. 2/m : P21/b
8.BB.05AmblygoniteLiAl(PO4)FTric. 1 : P1
8.BB.05MontebrasiteLiAl(PO4)(OH)Tric. 1 : P1
8.BB.05TavoriteLiFe3+(PO4)(OH)Tric. 1 : P1
8.BB.10Triplite(Mn2+,Fe2+)2(PO4)(F,OH)Mon. 2/m
8.BB.10Zwieselite(Fe2+,Mn2+)2(PO4)FMon. 2/m : P21/b
8.BB.15SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
8.BB.15Triploidite(Mn2+,Fe2+)2(PO4)(OH)Mon. 2/m : P2/b
8.BB.15Wagnerite(Mg,Fe2+)2(PO4)FMon. 2/m : P21/b
8.BB.15Wolfeite(Fe2+,Mn2+)2(PO4)(OH)Mon. 2/m : P21/b
8.BB.15JoosteiteMn2+(Mn3+,Fe3+)(PO4)OMon. 2/m
8.BB.15HydroxylwagneriteMg2(PO4)(OH)Mon. 2/m : P21/b
8.BB.20HoltedahliteMg2(PO4)(OH)Trig. 3m : P3 1m
8.BB.20Satterlyite(Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6Trig. 3m (3 2/m) : P3 1m
8.BB.25AlthausiteMg4(PO4)2(OH,O)(F,☐)Orth. mmm (2/m 2/m 2/m) : Pnma
8.BB.30AdamiteZn2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30EveiteMn2+2(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30LibetheniteCu2(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30OliveniteCu2(AsO4)(OH)Mon. 2/m : P21/m
8.BB.30ZincolibetheniteCuZn(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30ZincoliveniteCuZn(AsO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.30AuriacusiteFe3+Cu2+(AsO4)OOrth. mmm (2/m 2/m 2/m) : Pnnm
8.BB.35ParadamiteZn2(AsO4)(OH)Tric. 1 : P1
8.BB.35TarbuttiteZn2(PO4)(OH)Tric. 1 : P1
8.BB.40BarbosaliteFe2+Fe3+2(PO4)2(OH)2Mon. 2/m : P21/b
8.BB.40HentscheliteCuFe3+2(PO4)2(OH)2Mon.
8.BB.40LazuliteMgAl2(PO4)2(OH)2Mon. 2/m : P21/b
8.BB.40ScorzaliteFe2+Al2(PO4)2(OH)2Mon. 2/m : P21/b
8.BB.40WilhelmkleiniteZnFe3+2(AsO4)2(OH)2Mon.
8.BB.45TrolleiteAl4(PO4)3(OH)3Mon. 2/m : B2/b
8.BB.50NamibiteCu(BiO)2(VO4)(OH)Tric. 1 : P1
8.BB.55Phosphoellenbergerite(Mg,◻)2Mg12(PO4,PO3OH)6(PO3OH,CO3)2(OH)6Hex.
8.BB.60UrusoviteCuAl(AsO4)OMon.
8.BB.65TheoparacelsiteCu3(As2O7)(OH)2Orth.
8.BB.70TuraniteCu5(VO4)2(OH)4Tric. 1 : P1
8.BB.75StoiberiteCu5(VO4)2O2Mon.
8.BB.80FingeriteCu11(VO4)6O2Tric. 1 : P1
8.BB.85AverieviteCu6(VO4)2O2Cl2Trig.
8.BB.90LipscombiteFe2+Fe3+2(PO4)2(OH)2Tet.
8.BB.90RichelliteCaFe3+2(PO4)2(OH,F)2Amor.
8.BB.90ZinclipscombiteZnFe3+2(PO4)2(OH)2Tet. 4 2 2 : P43 21 2

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

41.6.3.1Wolfeite(Fe2+,Mn2+)2(PO4)(OH)Mon. 2/m : P21/b
41.6.3.2Triploidite(Mn2+,Fe2+)2(PO4)(OH)Mon. 2/m : P2/b
41.6.3.3SarkiniteMn2+2(AsO4)(OH)Mon. 2/m : P2/m
41.6.3.5JoosteiteMn2+(Mn3+,Fe3+)(PO4)OMon. 2/m

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 StanĕkiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Keller, P., Fontan, F., Velasco-Roldan, F., Melgarejo i Draper, J. C. (1997) Stanĕkite, Fe3+(Mn,Fe2+,Mg)(PO4)O: a new phosphate mineral in pegmatites at Karibib (Namibia) and French Pyrénées (France). European Journal of Mineralogy: 9: 475-482.
Keller, P., Lissner, F. & Schleid, T. (2005) The crystal structrure and polytypism of stanĕkite, (Fe3+,Mn,Fe2+)2(PO4)O. Z. Kristallogr., Suppl. No.: 21: 158.

Internet Links for StanĕkiteHide

Localities for StanĕkiteHide

ⓘ - 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.
Argentina
 
  • San Luis
    • San Martín department
      • Las Aguadas
Roda-Robles, E., Galliski, M. A., Roquet, M. B., Hatert, F., & de Paeseval, P. (2012). Phosphate nodules containing two distinct assemblages in the Cema granitic pegmatite, San Luis province, Argentina: Paragenesis, composition and significance. The Canadian Mineralogist, 50(4), 913-931.
Brazil
 
  • Minas Gerais
    • Conselheiro Pena
Baijot, M., Hatert, F., Dal Rio, F. & Philipo, S. (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. Canadian Mineralogist 52, 373-397.
France
 
  • Occitanie
    • Pyrénées-Orientales
P. Keller, F. Fontan, F. Velasco Roldan, J.C. Melgarejo i Draper : "Stanĕkite a new Phosphate Mineral in Pegmatites at Karibib (Namibia) and French Pyrénées (France)", European Journal of Mineralogy, 1997, 9, 475-482
        • Collioure (Cotlliure)
BERBAIN. C, RILEY. T, FAVREAU. G, (2012) Phosphates des pegmatites du massif des Albères. Ed Association Française de Microminéralogie
Italy
 
  • Lombardy
    • Sondrio Province
      • Valchiavenna
        • Bodengo Valley
Guastoni, A., et al. (2007): [Title]. Mineralogical Magazine 71,579-585
Namibia
 
  • Erongo Region
    • Dâures
Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
    • Karibib
      • Okatjimukuju Farm 55 (Friedrichsfelde Farm)
Keller, P., Fontan, F., Velasco-Roldan, F., Melgarejo i Draper, J. C. (1997): Stanĕkite, Fe3+(Mn,Fe2+,Mg)(PO4)O: a new phosphate mineral in pegmatites at Karibib (Namibia) and French Pyrénées (France). European Journal of Mineralogy 9, 475-482.
Poland
 
  • Lower Silesia
Pieczka, A., Włodek, A., Gołębiowska, B., Szełęg, E., Szuszkiewicz, A., Ilnicki, S., Nejbert, K., Turniak, K. (2015): Phosphate-bearing pegmatites in the Góry Sowie Block and adjacent areas, Sudetes, SW Poland. 7th International Symposium on Granitic Pegmatites, PEG 2015 Książ, Poland. Abstracts: 77-78
Pieczka A., Łobos K., Sachanbiński M. 2004: The first occurence of elbaite in Poland. Mineralogia Polonica, vol. 35, 3-14
    • Świdnica District
Pieczka A., Golębiowska B., Skowroński A.: Ferrisicklerite and other phosphate minerals from the Lutomia pegmatite (SW Poland, Lower Silesia, Góry Sowie Mts.)
Rwanda
 
  • Western Province
    • Ngororero District
      • Gatumba
Tony Nikischer
Spain
 
  • Castile and Leon
    • Salamanca
Roda, E., Fontán, F., Pesquera, A., & Keller, P. (2001). Phosphate mineral associations of the Aldehuela de la Bóveda, Li-Sn-Nb+-Tb bearing pegmatite, Salamanca, Spain: . In Mineral Deposits at the Beginning of the 21 st Century. Proceedings of the Joint sixth Biennial SGA-SEG Meeting (pp. 477-480).
      • Garcirrey
Encarnación Roda-Robles, Alfonso Pesquera (2007) Locality no. 4: The Phosphates-Rich Cañada Pegmatite (Aldehuela de La Bóveda, Salamanca, Spain) in ALEXANDRE LIMA & ENCARNACIÓN RODA ROBLES ed (2007) GRANITIC PEGMATITES: THE STATE OF THE ART - FIELD TRIP GUIDEBOOK. MEMÓRIAS N. º 9, UNIV. DO PORTO, FACULDADE DE CIÊNCIAS, DEPARTAMENTO DE GEOLOGIA pp 67-72.
Switzerland
 
  • Ticino (Tessin)
    • Lago Maggiore
Vignola, P., Diella, V., Oppizzi, P., Tiepolo, M. & Weiss, S. (2008): Phosphate assemblages from the Brissago granitic pegmatite, Western Southern Alps, Switzerland. Can. Mineral. 46, 635-650.
Mineral and/or Locality  
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