Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Stanĕkite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Clementine II pegmatite, Okatjimukuju Farm 55 (Friedrichsfelde Farm), Karibib District, Erongo Region, Namibia
© Marek Patúš




Formula:
(Mn
2+
 
,Fe
2+
 
,Mg)Fe
3+
 
(PO
 
4
)O
System:MonoclinicColour:Black
Lustre:GreasyHardness:4 - 5
Member of:Wagnerite Group
Name:Named after Josef Stanek (1928-1995), 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 Stanĕkite

IMA status:Approved 1994
Strunz 8th edition ID:7/B.03-65
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:41.6.3.4

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
6 : A2(XO4)Zq
mindat.org URL:http://www.mindat.org/min-7310.html
Please feel free to link to this page.

Type Occurrence of Stanĕkite

Type Locality:Clementine II pegmatite, Okatjimukuju Farm 55 (Friedrichsfelde Farm), Karibib District, Erongo Region, Namibia

Physical Properties of Stanĕkite

Lustre:Greasy
Colour:Black
Streak:Dark brown
Hardness (Mohs):4 - 5

Crystallography of Stanĕkite

Crystal System:Monoclinic

Optical Data of Stanĕkite

Type:Uniaxial
RI values: nα = 2.010 nβ = 2.110
Maximum Birefringence:δ = 2.010

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Stanĕkite

Formula:
(Mn
2+
 
,Fe
2+
 
,Mg)Fe
3+
 
(PO
 
4
)O
Essential elements:Fe, Mn, O, P
All elements listed in formula:Fe, Mg, Mn, O, P

Relationship of Stanĕkite to other Species

Member of:Wagnerite Group
Other Members of Group:

- +
Hydroxylwagnerite
Mg
 
2
(PO
 
4
)(OH)
Joosteite
Mn
2+
 
(Mn
3+
 
,Fe
3+
 
)(PO
 
4
)O
Sarkinite
Mn
2+
2
(AsO
 
4
)(OH)
Triploidite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(OH)
Wagnerite
(Mg,Fe
2+
 
)
 
2
(PO
 
4
)F
Wolfeite
(Fe
2+
 
,Mn
2+
 
)
 
2
(PO
 
4
)(OH)
Related Minerals - Nickel-Strunz Grouping):

- +
8.BB.05Amblygonite
LiAl(PO
 
4
)F
8.BB.05Montebrasite
LiAl(PO
 
4
)(OH)
8.BB.05Tavorite
LiFe
3+
 
(PO
 
4
)(OH)
8.BB.10Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(F,OH)
8.BB.10Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
(PO
 
4
)F
8.BB.15Sarkinite
Mn
2+
2
(AsO
 
4
)(OH)
8.BB.15Triploidite
(Mn
2+
 
,Fe
2+
 
)
 
2
(PO
 
4
)(OH)
8.BB.15Wagnerite
(Mg,Fe
2+
 
)
 
2
(PO
 
4
)F
8.BB.15Wolfeite
(Fe
2+
 
,Mn
2+
 
)
 
2
(PO
 
4
)(OH)
8.BB.15Joosteite
Mn
2+
 
(Mn
3+
 
,Fe
3+
 
)(PO
 
4
)O
8.BB.15Hydroxylwagnerite
Mg
 
2
(PO
 
4
)(OH)
8.BB.20Holtedahlite
Mg
 
2
(PO
 
4
)(OH)
8.BB.20Satterlyite
(Fe
2+
 
,Mg,Fe
3+
 
)
 
2
(PO
 
4
)(OH,O)
8.BB.25Althausite
Mg
 
2
(PO
 
4
)(OH,F)
8.BB.30Adamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.30Eveite
Mn
2+
2
(AsO
 
4
)(OH)
8.BB.30Libethenite
Cu
 
2
(PO
 
4
)(OH)
8.BB.30Olivenite
Cu
 
2
(AsO
 
4
)(OH)
8.BB.30Zincolibethenite
CuZn(PO
 
4
)(OH)
8.BB.30Zincolivenite
CuZn(AsO
 
4
)(OH)
8.BB.30Auriacusite
Fe
3+
 
Cu
2+
 
(AsO
 
4
)O
8.BB.35Paradamite
Zn
 
2
(AsO
 
4
)(OH)
8.BB.35Tarbuttite
Zn
 
2
(PO
 
4
)(OH)
8.BB.40Barbosalite
Fe
2+
 
Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Hentschelite
CuFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Lazulite
(Mg,Fe
2+
 
)Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Scorzalite
Fe
2+
 
Al
 
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.40Wilhelmkleinite
ZnFe
3+
2
(AsO
 
4
)
 
2
(OH)
 
2
8.BB.45Trolleite
Al
 
4
(PO
 
4
)
 
3
(OH)
 
3
8.BB.50Namibite
Cu(BiO)
 
2
(VO
 
4
)(OH)
8.BB.55Phosphoellenbergerite
Mg
 
14
(PO
 
4
)
 
6
(HPO
 
4
,CO
 
3
)
 
2
(OH)
 
6
8.BB.60Urusovite
CuAl(AsO
 
4
)O
8.BB.65Theoparacelsite
Cu
 
3
(As
 
2
O
 
7
)(OH)
 
2
8.BB.70Turanite
Cu
 
5
(VO
 
4
)
 
2
(OH)
 
4
8.BB.75Stoiberite
Cu
 
5
(VO
 
4
)
 
2
O
 
2
8.BB.80Fingerite
Cu
 
11
(VO
 
4
)
 
6
O
 
2
8.BB.85Averievite
Cu
 
6
(VO
 
4
)
 
2
O
 
2
Cl
 
2
8.BB.90Lipscombite
(Fe
2+
 
,Mn
2+
 
)Fe
3+
2
(PO
 
4
)
 
2
(OH)
 
2
8.BB.90Richellite
CaFe
3+
2
(PO
 
4
)
 
2
(OH,F)
 
2
8.BB.90Zinclipscombite
ZnFe
3+
2
(PO
 
4
)
 
2
(OH)
 
2

Other Names for Stanĕkite

Synonyms:
IMA1994-045Stanekite
Other Languages:
Russian:Станекит

Polytypes for Stanĕkite

Polytypes:
Stanĕkite-Ma2bcStanĕkite-Mabc

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Stanĕkite

Reference List:

- +
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 Stanĕkite

Search Engines:
  • Look for Stanĕkite on Google
  • Look for Stanĕkite images on Google
    • External Links:
  • Look for Stanĕkite on Webmineral
  • Look for Stanĕkite on Athena Mineralogy
  • Look for Stanĕkite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Stanekite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Wilensky Fine Minerals
  • Buy from David K Joyce minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • High-end worldwide specimens & outstanding customer service
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Stanĕkite specimens for sale - minfind.com
  • Fine and rare minerals from mintreasure.com
  • The Arkenstone - Fine Minerals
  • Find Stanĕkite on www.crystalclassics.co.uk
  • Fabre Minerals - search for Stanĕkite specimens
  • Buy fine minerals and gemstones from Pala International
  • Buy RARE Minerals from Rocks of Africa
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Stanĕkite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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.
    France
     
    • Languedoc-Roussillon
      • 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
    Italy
     
    • Lombardy
      • Sondrio Province
        • Bodengo Valley
    		Guastoni, A., et al. (2007): [Title]. Mineralogical Magazine 71,579-585
    Namibia
     
    • Erongo Region
      • Karibib District
        • 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.
        • Usakos
    		Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Sowie Mts
    		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
      • Gatumba District
    		Tony Nikischer
    Spain
     
    • Castile and Leon
      • Salamanca
        • 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
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 10th Apr 2013 20:18:29
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds