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Regional Report: Grand Co., Colorado, USA

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

  • 'Agate' - 21, 40
  • Albite - 12, 114
  • 'Albite-Anorthite Series' - 52, 111
  • 'Allanite' - 42
  • 'Amethyst' - 21
  • 'Amphibole Group' - 39
  • Analcime - 57
  • Antigorite - 52
  • 'Apatite' - 57
  • Augite - 19
  • Autunite - 2, 106, 65
  • 'Basanite' - 113
  • Beryl - 5
  • Biotite - 6, 15, 111, 57
  • 'Bloodstone' - 21, 113
  • Bornite - 50, 12
  • Calcite - 110, 114
  • 'Carnelian' - 113
  • Carnotite - 2, 106, 65
  • Celadonite - 114
  • 'Chalcedony' - 110, 113
  • Chalcocite - 12
  • Chalcopyrite - 6, 39, 49, 50, 52, 60, 115
  • 'Chevkinite' - 42
  • 'Chlorite Group' - 114
  • 'Chrysoprase' - 48
  • Chrysotile - 52
  • 'Clay' - 73
  • Clinozoisite - 52, 11
  • Copper - 5, 74
  • Cordierite - 39, 15, 111
  • Cristobalite - 110
  • Curite - 6
  • Digenite - 12
  • Diopside - 52, 57
  • Dolomite - 12
  • Epidote - 39
  • 'Feldspar Group' - 39
  • Fluorite - 6
  • Forsterite - 52
  • Fourmarierite - 6
  • Gahnite - 39
  • Galena - 39, 49, 52, 58, 115
  • 'Garnet Group' - 39, 111
  • 'Geode' - 21
  • Glauconite - 64
  • Gold - 8, 76, 77, 78
  • 'Gummite' - 6
  • Halloysite - 40
  • Hematite - 6, 50, 60
  • 'Hornblende' - 114
  • Ilmenite - 57
  • Jarosite - 65
  • 'Jasper' - 113
  • Kasolite - 6
  • Leucoxene - 21
  • Limonite - 114
  • Magnetite - 52
  • Marcasite - 65
  • Meionite - 63
  • 'Mica Group' - 5
  • Molybdenite - 6, 41, 81
  • 'Monazite' - 6
  • 'Moss Agate' - 48, 112
  • Nontronite - 114
  • 'Onyx' - 22
  • 'Opal-AN' - 40
  • 'Petrified Wood' - 40
  • Phlogopite - 57
  • 'Pitchblende' - 66
  • Pyrite - 6, 115
  • Quartz - 65, 114, 111
  • Richterite - 57
  • 'Sardonyx' - 113
  • 'Scapolite' - 63
  • Schröckingerite - 65
  • Sillimanite - 111
  • Silver - 54
  • Sphalerite - 49, 52, 58, 115
  • Stibnite - 65
  • Sulphur - 40
  • Tetrahedrite - 58
  • Titanite - 52
  • Tremolite - 39
  • Tridymite - 110
  • 'Uintahite' - 89, 90, 91
  • Uraninite - 6
  • Uranophane - 6
  • Wavellite - 56
  • Wölsendorfite - 6
  • 'Zeolite Group' - 114
  • Zircon - 6, 21
  • Zoisite - 52


    • 93 minerals listed.

    Locality Key
    1A.O. Prospect (Akai Oka Prospect), Grand Co., Colorado, USA
    2Alaska Humes Claims, Grand Co., Colorado, USA
    3Arizoba, Blue Ridge District, Grand Co., Colorado, USA
    4Beaver Mica Mine, Grand Co., Colorado, USA
    5Beaver, Grand Co., Colorado, USA
    6Bennett Mine (Hell Hole claims), Wheeler Basin, Grand Co., Colorado, USA
    7Big Dike Lode, Grand Co., Colorado, USA
    8Blue Monday Occurrence, Grand Co., Colorado, USA
    9Blue Ridge District, Grand Co., Colorado, USA
    10Blue Ridge, Grand Co., Colorado, USA
    11Byers Peak, Grand Co., Colorado, USA
    12Copper King Mine, Roaring Fork area, Grand Co., Colorado, USA
    13Corral Creek District, Grand Co., Colorado, USA
    14Denver Creek Placers, Grand Co., Colorado, USA
    15East Inlet area, Rocky Mountain National Park, Grand Co., Colorado, USA
    16El Kebir, Grand Co., Colorado, USA
    17Elk Mountain Copper, Grand Co., Colorado, USA
    18Fourth of July Mine, Grand Co., Colorado, USA
    19Gold Run Creek, Grand Co., Colorado, USA
    20Gold Run Placers, Grand Co., Colorado, USA
    21Grand Co., Colorado, USA
    22Grand Lake District (Wolverine District), Grand Co., Colorado, USA
    23Grand Lake Wolverine, Grand Lake District (Wolverine District), Grand Co., Colorado, USA
    24Gravel Pit (MRDS - 10117972), Grand Co., Colorado, USA
    25Gravel Pit (MRDS - 10118081), Grand Co., Colorado, USA
    26Gravel Pit (MRDS - 10142038), Grand Co., Colorado, USA
    27Gravel Pit (MRDS - 10166559), Grand Co., Colorado, USA
    28Gravel Pit (MRDS - 10166593), Grand Co., Colorado, USA
    29Gravel Pit (MRDS - 10166624), Grand Co., Colorado, USA
    30Gravel Pit (MRDS - 10239180), Beaver Creek, Grand Co., Colorado, USA
    31Gravel Pit (MRDS - 10239206), Grand Co., Colorado, USA
    32Gravel Pit (MRDS - 10239388), Grand Co., Colorado, USA
    33Gravel Pit (MRDS - 10239515), Grand Co., Colorado, USA
    34Gravel Pit (MRDS - 10239831), Grand Co., Colorado, USA
    35Gravel Pit (MRDS - 10264088), Grand Co., Colorado, USA
    36Gravel Pit (MRDS - 10288417), Grand Co., Colorado, USA
    37Harmon District, Grand Co., Colorado, USA
    38Hartman, Grand Co., Colorado, USA
    39High Lonesome Occurrence, Grand Co., Colorado, USA
    40Hot Sulfur Springs, Grand Co., Colorado, USA
    41Iron Creek Occurrence, La Plata District (California District), Grand Co., Colorado, USA
    42Kremmerling quadrangle, Grand Co., Colorado, USA
    43La Plata District (California District), Grand Co., Colorado, USA
    44La Plata Williams Fork, La Plata District (California District), Grand Co., Colorado, USA
    45Lease No. 011850 Occurrence, Beaver Creek, Grand Co., Colorado, USA
    46Lucky Jack Occurrence, Beaver Creek, Grand Co., Colorado, USA
    47Lulu Occurrence, Teller District, Grand Co., Colorado, USA
    48Middle Park, Grand Co., Colorado, USA
    49Milliken Mine, La Plata District (California District), Grand Co., Colorado, USA
    50Molly Grove; Happy Dream, Blue Ridge District, Grand Co., Colorado, USA
    51Monarch Harmon, Grand Co., Colorado, USA
    52Mt. Vasquez; St. Louis; Milliken Occurrence, La Plata District (California District), Grand Co., Colorado, USA
    53No Name Mine (MRDS - 10166570), Grand Co., Colorado, USA
    54Oro Fino Mine (Bobtail Mine), La Plata District (California District), Grand Co., Colorado, USA
    55Parkview Mountain Prospect, Grand Co., Colorado, USA
    56Poison Ridge volcanic center, Grand Co., Colorado, USA
    57Rabbit Ears Lamproite, Rabbit Ears Pass, Middle Park, Grand Co., Colorado, USA
    58Ready Cash, La Plata District (California District), Grand Co., Colorado, USA
    59Red Gorge, Grand Co., Colorado, USA
    60Ruth Group of Claims, Grand Co., Colorado, USA
    61Smith Creek, Grand Co., Colorado, USA
    62Stillwater Creek Placers, Grand Co., Colorado, USA
    63Strawberry Lake, Grand Co., Colorado, USA
    64Sundance Formation, Grand Co., Colorado, USA
    65Troublesome Creek, Middle Park, Grand Co., Colorado, USA
    66Unknown 2 Occurrence (MRDS - 10018600), Gilpin, Grand Co., Colorado, USA
    67Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10017872), Beaver Creek, Grand Co., Colorado, USA
    68Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10091395), Grand Co., Colorado, USA
    69Unknown Clay (MRDS - 10263613), Grand Co., Colorado, USA
    70Unknown Clay (MRDS - 10264071), Beaver Creek, Grand Co., Colorado, USA
    71Unknown Clay (MRDS - 10288053), Grand Co., Colorado, USA
    72Unknown Clay (MRDS - 10288151), Beaver Creek, Grand Co., Colorado, USA
    73Unknown Clay Occurrence (MRDS - 10018235), Beaver Creek, Grand Co., Colorado, USA
    74Unknown Copper Occurrence (MRDS - 10018221), Grand Co., Colorado, USA
    75Unknown Gold Occurrence (MRDS - 10017870), Grand Co., Colorado, USA
    76Unknown Gold Occurrence (MRDS - 10018224), Grand Co., Colorado, USA
    77Unknown Gold Occurrence (MRDS - 10018225), Grand Co., Colorado, USA
    78Unknown Gold Occurrence (MRDS - 10018250), Grand Co., Colorado, USA
    79Unknown Gold Occurrence (MRDS - 10091400), Grand Lake District (Wolverine District), Grand Co., Colorado, USA
    80Unknown Lead (MRDS - 10142041), Grand Co., Colorado, USA
    81Unknown Molybdenum Occurrence (MRDS - 10018223), Grand Co., Colorado, USA
    82Unknown Perlite (MRDS - 10288360), Grand Co., Colorado, USA
    83Unknown Pumice (MRDS - 10118355), Grand Co., Colorado, USA
    84Unknown Pumice (MRDS - 10142587), Grand Co., Colorado, USA
    85Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA
    86Unknown Pumice (MRDS - 10215040), Grand Co., Colorado, USA
    87Unknown Pumice (MRDS - 10215567), Grand Co., Colorado, USA
    88Unknown Pumice (MRDS - 10239223), Grand Co., Colorado, USA
    89Unknown REE (MRDS - 10017867), Grand Lake District (Wolverine District), Grand Co., Colorado, USA
    90Unknown REE Occurrence (MRDS - 10017868), Grand Lake District (Wolverine District), Grand Co., Colorado, USA
    91Unknown REE Occurrence (MRDS - 10017869), Grand Lake District (Wolverine District), Grand Co., Colorado, USA
    92Unknown Silver (Bobtail Mine; MRDS - 10118033), La Plata District (California District), Grand Co., Colorado, USA
    93Unknown Silver (Bobtail Mine; MRDS - 10142527), La Plata District (California District), Grand Co., Colorado, USA
    94Unknown Silver (Bobtail Mine; MRDS - 10215456), La Plata District (California District), Grand Co., Colorado, USA
    95Unknown Silver (Bobtail Mine; MRDS - 10239734), La Plata District (California District), Grand Co., Colorado, USA
    96Unknown Stone - Dimension Occurrence (MRDS - 10017790), Grand Co., Colorado, USA
    97Unknown Stone - Dimension Occurrence (MRDS - 10017874), Grand Co., Colorado, USA
    98Unknown Uranium Occurrence (MRDS - 10017873), Grand Co., Colorado, USA
    99Unknown Uranium Occurrence (MRDS - 10018228), Grand Co., Colorado, USA
    100Unknown Uranium Occurrence (MRDS - 10018231), Grand Co., Colorado, USA
    101Unknown Uranium Occurrence (MRDS - 10018236), Beaver Creek, Grand Co., Colorado, USA
    102Unknown Uranium Occurrence (MRDS - 10018240), Beaver Creek, Grand Co., Colorado, USA
    103Unknown Uranium Occurrence (MRDS - 10018241), Beaver Creek, Grand Co., Colorado, USA
    104Unknown Uranium Occurrence (MRDS - 10018242), Troublesome Creek, Grand Co., Colorado, USA
    105Unknown Uranium Occurrence (MRDS - 10018249), Grand Co., Colorado, USA
    106Unknown Uranium Occurrence (MRDS - 10091403), Troublesome Creek, Grand Co., Colorado, USA
    107Unknown Uranium Occurrence (MRDS - 10091489), Grand Co., Colorado, USA
    108Unknown Vanadium - Uranium (MRDS - 10108368), Grand Co., Colorado, USA
    109Unknown Volcanic Materials Occurrence (MRDS - 10018246), Grand Co., Colorado, USA
    110Unnamed rhyolite flow, Grand Lake District (Wolverine District), Grand Co., Colorado, USA
    111Vasquez Mts, Grand Co., Colorado, USA
    112Williams Fork, Grand Co., Colorado, USA
    113Willow Creek, Grand Co., Colorado, USA
    114Windy Gap, Grand Co., Colorado, USA
    115Wolverine Mine, Grand Lake District (Wolverine District), Grand 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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    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: 26th Nov 2009 10:13:33