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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.

Articles/Blogs about 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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