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Danaite

Formula:
(Fe
 
0.90
Co
 
0.10
)AsS - (Fe
 
0.65
Co
 
0.35
)AsS
Name:named for J. Freeman Dana of Boston


Variety of Arsenopyrite with 3-12 wt.% Co.

Originally described from Franconia, Grafton Co., New Hampshire, USA.

Classification of Danaite

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Chemical Properties of Danaite

Formula:
(Fe
 
0.90
Co
 
0.10
)AsS - (Fe
 
0.65
Co
 
0.35
)AsS
Essential elements:
All elements listed in formula:As, Co, Fe, S

Other Names for Danaite

German names:
Danait
Spanish names:
Danaita

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 Danaite

Reference List:Hayes (1833).

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 319.

Internet Links for Danaite

Search Engines:
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  • Search for Danaite on minvision.com
  • Buy Fine Minerals from mineralsweb.com
  • Wendel Minerals - Auktion & Shop
  • The Arkenstone - Fine Minerals
  • Rare and Unusual minerals at Mineralogical Research Company
  • Search for - Danaite - on e-Rocks Mineral Sales & Auctions
  • Wilensky Fine Minerals
  • Find Danaite on www.crystalclassics.co.uk
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Top quality minerals from Kristalle of California
  • Search for Danaite at Thames Valley Minerals
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    Localities for Danaite

    (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.
    Norway
     
    • Buskerud
      • Modum
        • Snarum
    		H. Steffens ("Handbuch der Oryktognosie, 1819, B. III, p. 260); Scheerer (1837, publ. in Pogg. Ann. B. 42, p. 546); Wöhler (1838, p. 289); Gammon (1966, p. 418); Neumann (1985, pp. 39-40).
    USA
     
    • Connecticut
      • Middlesex Co.
        • East Hampton
    		AmMin 6:88-90 (1921)
    • New Hampshire
      • Grafton Co.
    Mineral and/or Locality
    Google
     
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