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Regional Report: Placerville District, San Miguel Co., Colorado, USA

Mariposite or fuchsite reported from district is more properly called a chrome mica-clay.

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Placerville District, San Miguel Co., Colorado, USA

  • Annabergite - 1
  • Autunite - 1
  • Azurite - 1
  • Baryte - 1
  • Calcite - 1
  • Carnotite - 3
  • Chalcocite - 1
  • Chalcopyrite - 1
  • Coffinite - 1, 4
  • Erythrite - 1
  • Ferrimolybdite - 3
  • 'Fuchsite' - 1
  • Galena - 1
  • Gold - 1
  • Illite - 3
  • 'Illite-1M' - 3
  • Ilsemannite - 1
  • Jordisite - 1
  • 'Lignite' - 3
  • Malachite - 1
  • 'Mariposite' - 3, 1
  • Metatorbernite - 1
  • Molybdenite - 1
  • 'Pitchblende' - 1
  • Roscoelite - 3
  • Silver - 1
  • Skutterudite - 1
  • 'Smectite Group' - 3, 1
  • Tetrahedrite - 1
  • 'Thucholite' - 1
  • Tyuyamunite - 3
  • Uraninite - 3, 2, 4
  • Uranophane - 1


  • 33 minerals listed.

    Locality Key
    1Black King Mine (Black King No. 4; Black King No. 5; Black King No. 5 Claim; Unpatented Claims: Black King No. 1; Evans Claims; Weatherly Claims), Placerville District, San Miguel Co., Colorado, USA
    2New Discovery (Barbara Jo Claim; White Spur; White Spar), Placerville District, San Miguel Co., Colorado, USA
    3Placerville District, San Miguel Co., Colorado, USA
    4Robinson Property, Placerville District, San Miguel Co., Colorado, USA

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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