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Schefferite

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Big Photo

Zinc-Schefferite
Franklin Mining District, Sussex Co., New Jersey, USA
© 2001 John H. Betts




Formula:
(Ca,Mn)(Mg,Fe,Mn)Si
 
2
O
 
6
A variety of Diopside

A brown manganoan variety of Diopside that frequently shows pronounced parting (IMA Subcommittee on Pyroxenes 1988).

Originally described from Långban, Filipstad, Värmland, Sweden.


Classification of Schefferite

IMA status:Rejected
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Chemical Properties of Schefferite

Formula:
(Ca,Mn)(Mg,Fe,Mn)Si
 
2
O
 
6
Essential elements:Ca, Mg, O, Si
All elements listed in formula:Ca, Fe, Mg, Mn, O, Si

Other Names for Schefferite

Other Languages:
German:Schefferit
Spanish:Schefferita
Varieties:
Zinc-Schefferite

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.

Internet Links for Schefferite

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  • Localities for Schefferite

    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.
    Italy
     
    • Aosta Valley
      • Saint-Marcel
    Bondi M., Mottana A, Kurat G., Rossi G, (1978) - Cristallochimica del Violano e della Schefferite di St Marcel (Vallle d'Aosta) - Rend. S.I.M.P., Milano, vol. 34, (I), pp. 15-25
    • Liguria
      • La Spezia Province
        • Vara Valley
          • Borghetto Vara
    Palenzona A., Di Giovanni F., Borgo E. (1988) - La miniera di Manganese di Cerchiara (SP) - Rivista Miner. Ital., Milano, fasc. 4, pp.209-218
    Japan
     
    • Honshu Island
      • Chubu Region
        • Nagano Prefecture
          • Kami-Ina-gun
    Lee, D. E. (1955)
      • Chugoku Region
        • Yamaguchi Prefecture
          • Iwakuni City
    Pohwat, P. (2013) Rocks & Minerals, 88 (2), 168.
      • Tohoku Region
        • Iwate Prefecture
          • Miyako City
    Pohwat, P. (2013) Rocks & Minerals, 88 (2), 168.
    Sweden
     
    • Dalarna
      • Avesta
        • Folkärna
    • Värmland
      • Filipstad
    [MinRec 9:113]
        • Nordmark (Nordmarksberg)
    GFF 2, 179
        • Persberg district
          • Pajsberg
    Kjell Gatedal photo & collection.; Knut Edvard Larsen collection # 1324)
    No reference listed
    • Västmanland
      • Hällefors
        • Grythyttan
    No reference listed
      • Lindesberg
    No reference listed
      • Norberg
        • Getback ore field
    No reference listed
    USA
     
    • Michigan
    www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
        • Marquette iron range
          • Champion
    Mineralogy of Michigan (2004) Heinrich & Robinson
    • New Jersey
      • Sussex Co.
    Palache, Charles, 1935, The Minerals of Franklin and Sterling Hill, Sussex County, New Jersey, USGS PP 180.
          • Franklin
    Palache, Charles, 1935, The Minerals of Franklin and Sterling Hill, Sussex County, New Jersey, USGS PP 180.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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.
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