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Sheridanite

Formula:
(Mg,Al,Fe)
 
6
(Si,Al)
 
4
O
 
10
(OH)
 
8
A variety of Clinochlore

An aluminium-rich clinochlore.
Originally described from Sheridan Co., Wyoming, USA.

Classification of Sheridanite

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Chemical Properties of Sheridanite

Formula:
(Mg,Al,Fe)
 
6
(Si,Al)
 
4
O
 
10
(OH)
 
8
Essential elements:
All elements listed in formula:Al, Fe, H, Mg, O, Si

Other Names for Sheridanite

Synonyms:
Grochauite
German names:
Sheridanit
Spanish names:
Sheridanita

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.

Articles/Blogs about Sheridanite

Internet Links for Sheridanite

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  • Top quality minerals from Kristalle of California
  • Wright's Rock Shop - excellent mineral specimens since 1970
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  • High-end worldwide specimens & outstanding customer service
  • Wendel Minerals - Auktion & Shop
  • Search for Sheridanite at Thames Valley Minerals
  • Find Sheridanite on www.crystalclassics.co.uk
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    Localities for Sheridanite

    (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.
    Austria
     
    • Lower Austria
      • Waldviertel
        • Horn
          • Maissau
            • Limberg
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Salzburg
      • Radstädter Tauern Mts
        • Großarl valley
          • Großarl
            • Unterberg
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    France
     
    • Languedoc-Roussillon
      • Pyrénées-Orientales
        • Céret
          • Prats de Mollo-La Preste (Prats de Molló-La Presta)
    		Dubru. M, (1986) Pétrologie et géochimie du marbre à brucite et des borates associés au gisement de tungstène de Costabonne, (Pyrénées orientales, France) 930p
    Greenland
     
    • Kitaa (West Greenland) Province
      • Nuuk (Godthåb)
        • Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat)
    		B.F. Windley et al. , Eur. J. Mineral. , 1989, 1, pp. 427-437.
    Italy
     
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Baceno
            • Devero Alp (Devero Valley; Val Devero)
    Norway
     
    • Telemark
      • Bamble (Bamle)
    		Smith, D.G.W. (1969): Contributions to the Mineralogy of Norway No.42. A reinvestigation of the pseudobrookite from Havredal (Bamble), Norway. Norsk Geologisk Tidsskrift 49: 284-288
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
        • Hnúšťa
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    Spain
     
    • Castile and Leon
      • León
        • Puebla de Lillo
    		M. Hardy and J.P. Ildefonse : Dolomitisation, chloritisation et talcification de la formation viséenne à faciès griotte dans la région de Pueble de Lillo (Bonar, Espagne)", Bull. Minéral. , 1981, 104, pp. 445-451, France.
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
    USA
     
    • California
      • Fresno Co.
    • Massachusetts
      • Middlesex Co.
    		Gleba, 1978. Massachusetts Mineral & Fossil Localities
    • Pennsylvania
    		Yale Peabody Museum
    • Wyoming
    Mineral and/or Locality
    Google
     
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