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Thallian Cryptomelane

A variety of Cryptomelane

A thallium-bearing cryptomelane (0.23 at% Tl).
Originally reported from Peach Springs District, Coconino Co., Arizona, USA.

Classification of Thallian Cryptomelane

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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 Thallian Cryptomelane

Reference List:Crittenden, M.D., et al (1962), Studies of manganese oxide minerals-VI. Thallium in some manganese oxides, Am.Min.: 47: 1461-1467.

Internet Links for Thallian Cryptomelane

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    Localities for Thallian Cryptomelane

    (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
     
    • Auvergne
      • Allier
    		"Les minéraux, leurs gisements, leurs associations", P. Bariand, F. Cesbron et J. Geffroy (1977), Editions Minéraux et Fossiles, BRGM
    USA
     
    • Arizona
      • Coconino Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 194, 252; Crittenden, M.D., et al (1962), Studies of manganese oxide minerals-VI. Thallium in some manganese oxides, Am.Min.: 47: 1461-1467.
    Mineral and/or Locality
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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: 21st Oct 2009 10:46:21