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Grand Co., Colorado, USA

StandardDetailedBy ChemistrySearch GoogleMineral Report for Region

Mineral list contains entries from the region specified including sub-localities

Group 1 - Elements
  		• Copper1.AA.05
    Cu
  		• Gold1.AA.05
    Au
  		• Silver1.AA.05
    Ag
  		• Sulphur1.CC.05
    S
     
    8
    Group 2 - Sulphides and Sulfosalts
  		• Bornite2.BA.15
    Cu
     
    5
    		FeS
     
    4
  		• Chalcocite2.BA.05
    Cu
     
    2
    		S
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Digenite2.BA.10
    Cu
     
    9
    		S
     
    5
  		• Galena2.CD.10
    PbS
  		• Marcasite2.EB.10a
    FeS
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
  		• Stibnite2.DB.05
    Sb
     
    2
    		S
     
    3
  		• Tetrahedrite2.GB.05
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
    Group 4 - Oxides and Hydroxides
  		• Carnotite4.HB.05
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		[VO
     
    4
    		]
     
    2
    		 · 3H
     
    2
    		O
  		• Cristobalite4.DA.15
    SiO
     
    2
  		• Curite4.GB.55
    Pb
     
    3+x
    		(H
     
    2
    		O)
     
    2
    		[(UO
     
    2
    		)
     
    4
    		O
     
    4+x
    		(OH)
     
    3-x
    		]
     
    2
  		• Fourmarierite4.GB.25
    PbU
     
    4
    		O
     
    13
    		·4H
     
    2
    		O
  		• Gahnite4.BB.05
    ZnAl
     
    2
    		O
     
    4
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Opal
    var: Opal-AN    		4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
  		• Quartz4.DA.05
    SiO
     
    2
      var: Amethyst4.DA.05
    SiO
     
    2
      var: Basanite4.DA.05
    SiO
     
    2
      var: Jasper4.DA.05
    SiO
     
    2
  		• Tridymite4.DA.10
    SiO
     
    2
  		• Uraninite4.DL.05
    UO
     
    2
      var: Pitchblende4.DL.05
    UO
     
    2
  		• Wölsendorfite4.GB.30
    (Pb,Ca)U
     
    2
    		O
     
    7
    		·2H
     
    2
    		O
    Group 5 - Nitrates and Carbonates
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Dolomite5.AB.10
    CaMg(CO
     
    3
    		)
     
    2
  		• Schröckingerite5.EG.05
    NaCa
     
    3
    		(UO
     
    2
    		)[F|(CO
     
    3
    		)
     
    3
    		|SO
     
    4
    		] · 10H
     
    2
    		O
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Jarosite7.BC.10
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Autunite8.EB.05
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
  		• Wavellite8.DC.50
    Al
     
    3
    		[(OH,F)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		] · 5H
     
    2
    		O
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Analcime9.GB.05
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
  		• Antigorite9.ED.15
    (Mg,Fe
    2+
     
    		)
     
    3
    		[(OH)
     
    4
    		|Si
     
    2
    		O
     
    5
    		]
  		• Augite9.DA.15
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Biotite9..
  		• Celadonite9.EC.15
    K(Mg,Fe
    2+
     
    		)(Fe
    3+
     
    		,Al)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
  		• Chrysotile9.ED.15
    Mg
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Clinozoisite9.BG.05
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Cordierite9.CJ.10
    (Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
  		• Diopside9.DA.15
    CaMg[Si
     
    2
    		O
     
    6
    		]
  		• Epidote9.BG.05
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Forsterite9.AC.05
    Mg
     
    2
    		[SiO
     
    4
    		]
  		• Halloysite9.ED.10
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
  		• Kasolite9.AK.15
    Pb(UO
     
    2
    		)[SiO
     
    4
    		] · H
     
    2
    		O
  		• Meionite9.FB.15
    Ca
     
    4
    		[CO
     
    3
    		|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]
  		• Nontronite9.EC.40
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
  		• Phlogopite9.EC.20
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Richterite9.DE.20
    Na[CaNa][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Sillimanite9.AF.05
    Al
     
    2
    		[O|SiO
     
    4
    		]
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Tremolite9.DE.10
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Uranophane9.AK.15
    Ca(UO
     
    2
    		)
     
    2
    		[HSiO
     
    4
    		]
     
    2
    		 · 5H
     
    2
    		O
  		• Zircon9.AD.30
    Zr[SiO
     
    4
    		]
  		• Zoisite9.BG.10
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Unclassified Minerals
  		• 'Albite-Anorthite Series'-
  		• 'Allanite'-
  		• 'Amphibole Group'-
  		• 'Apatite'-
  		• 'Asphaltum
    var: Uintahite'    		-
  		• 'Chalcedony'-
      'var: Agate'-
    SiO
     
    2
      'var: Bloodstone'-
      'var: Carnelian'-
      'var: Moss Agate'-
      'var: Onyx'-
    SiO
     
    2
      'var: Petrified Wood'-
      'var: Sardonyx'-
    SiO
     
    2
  		• 'Chevkinite'-
    (Ca,Ce,Th)
     
    4
    		(Fe,Mn)
     
    2
    		(Ti,Fe)
     
    3
    		Si
     
    4
    		O
     
    22
  		• 'Chlorite Group'-
  		• 'Chrysoprase'-
  		• 'Clay'-
  		• 'Feldspar Group'-
  		• 'Garnet Group'-
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
  		• 'Geode'-
  		• Glauconite-
    K
     
    0.08
    		R
    1
    1.33
    		 R
    2
    0.67
    		 [][Al
     
    0.13
    		Si
     
    3.87
    		O
     
    10
    		](OH)
     
    2
  		• 'Gummite'-
  		• 'Hornblende'-
  		• Leucoxene-
  		• Limonite-
    FeO(OH)·nH
     
    2
    		O
  		• 'Mica Group'-
  		• 'Monazite'-
  		• 'Scapolite'-
  		• 'Zeolite Group'-


    93 entries listed. 63 valid minerals.

    Localities in this Region:
    USA
     
    • Colorado
      • Grand Co.
        • Beaver Creek
        • Gilpin
          • Rabbit Ears Pass
        • Roaring Fork area
        • Rocky Mountain National Park
        • Teller District
        • Troublesome Creek
        • Wheeler Basin

    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. Jobs in Colorado, USA 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: 24th Nov 2009 18:35:08