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Oligonite

Big Photo

Lagares de Estanho Mine, Queiriga, Vila Nova de Paiva, Viseu District, Portugal
© Martins da Pedra

Show Oligonite Photos (2)
Formula:
(Fe,Mn)CO
 
3
Name:From the Greek όλίγος, small, due to the lower specific gravity ofn this variety due to substituted Mn for Fe.


A manganan variety of Siderite, with up to 40% MnCO3 [Clark, 1993 - "Hey's Mineral Index"]

Classification of Oligonite

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Chemical Properties of Oligonite

Formula:
(Fe,Mn)CO
 
3
Essential elements:C, Fe, O
All elements listed in formula:C, Fe, Mn, O

Other Names for Oligonite

Synonyms:
ManganospaeriteOligonsideriteOligon SparOligonspath
Other Languages:
German:Manganospaerit
Oligonit
Oligonsiderit
Spanish:Manganospaerita
Oligonita
Oligonsiderita

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 Oligonite

Reference List:Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 170.

Internet Links for Oligonite

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    Localities for Oligonite

    Hide Locality List
    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.
    (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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Pardubice Region
    		Prachař, I.: Současný stav výskytu nerostů ve Chvaleticích. Acta musei Reginaehradecensis, série A: vědy přírodní, 1981, roč. XVI., s. 99-102.
    Hungary
     
    • Pest Co.
      • Börzsöny Mts.
    		Koch: Minerals of Hungary, 1985
    Kosovo
     
    • Kosovska Mitrovica
      • Trepča valley
    		http://www.spathfluor.com/_open/open_us/us_op_mines/us_divtrepca.htm
    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
    Russia
     
    • Far-Eastern Region
      • Primorskiy Kray
    		Dobrovol’skaya, M.G., Genkin, A.D., Bortnikov, N.S., and Golovanova, T.I. (2008): Geology of Ore Deposits 50(1), 75-85.
    Slovakia
     
    • Banská Bystrica Region
      • Štiavnica Mts
        • Banská Štiavnica Mining District
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
      • Western Slovenské Rudohorie Mts
        • Tisovec
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
        • Dobšiná (Dobschau) Mining District
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    • Prešov Region
      • Northern Slanské Mts
    		Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    USA
     
    • Colorado
      • Lake Co.
        • Leadville District
    		AmMin 19:304
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Nov 2009 21:40:07