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Humboldt Co., Nevada, USA

StandardDetailedBy ChemistryMineral Photos (338)Site Photos (6)Search GoogleMineral Report for Region

Ref: Ronald Willden (1964) "Geology and Mineral Deposits of Humboldt County, Nevada". Nevada Bureau of Mines and Geology Bulletin 59.




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


Mineral List:
  		•  Acanthite
    Ag
     
    2
    		S
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: []
  		•  Adamite
    Zn
     
    2
    		(AsO
     
    4
    		)(OH)
    Habit: blocky to prismatic
    Colour: light green
    Description: Also confirmed optically. Associated with baylondite and molybdofornacite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2009
  		•  'Adularia'
    KAlSi
     
    3
    		O
     
    8
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1997) 92:601-622]
  		•  Aegirine
    NaFe
    3+
     
    		[Si
     
    2
    		O
     
    6
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Aenigmatite
    Na
     
    2
    		Fe
    2+
    5
    		TiO
     
    2
    		(Si
     
    6
    		O
     
    18
    		)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Agardite'
    Description: Calciuum rich and lead rich varieties.
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Aguilarite
    Ag
     
    4
    		SeS
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Akaganeite
    β-Fe
    3+
     
    		O(OH,Cl)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Aktashite
    Cu
     
    6
    		Hg
     
    3
    		As
     
    4
    		S
     
    12
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Allanite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Almandine
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Alunite
    KAl
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Amphibole Group
    var: Uralite
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Analcime
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Andalusite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Anglesite
    PbSO
     
    4
    Habit: platy to equant
    Colour: colorless
    Description: confirmed by NCMA optics
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2009
  		•  Ankerite
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
    Colour: tan
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  'Apatite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Golconda Mine, Golconda District, Humboldt Co., Nevada, USA
    © JM. Johannet
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Apatite-(CaF)
    var: Carbonate-rich Apatite-(CaF)
    Ca
     
    5
    		[(F,O)|(PO
     
    4
    		,CO
     
    3
    		)
     
    3
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © DM 06
  		•  Apatite-(CaOH)
    var: Carbonate-rich Apatite-(CaOH)
    Ca
     
    5
    		[(OH,O)|(PO
     
    4
    		,CO
     
    3
    		)
     
    3
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Apophyllite'
    Habit: prism, pyramid
    Colour: pale pink
    Description: Pale pink crystals to 2mm in a 1cm vein. Found in 5120-194 stope on July 13, 2006
    Reference: [Visual ID]
  		•  Apophyllite-(KF)
    KCa
     
    4
    		[(F,OH)|Si
     
    8
    		O
     
    20
    		] · 8H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Apophyllite-(NaF)
    NaCa
     
    4
    		[F|Si
     
    8
    		O
     
    20
    		] · 8H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Aragonite
    CaCO
     
    3
    Habit: radial prismatic
    Colour: colorless
    Description: associtated with calcite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Arfvedsonite
    [Na][Na
     
    2
    		][Fe
    2+
    4
    		Fe
    3+
     
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Arsendescloizite ?
    PbZn[OH|AsO
     
    4
    		]
    Reference: [Rocks & Minerals Vol. 74 No. 6 Nov/Dec 1999]
  		•  Arsenic
    As
    Reference: [Econ Geology (1993)88:171-185]
  		•  Arseniosiderite
    Ca
     
    2
    		Fe
    3+
    3
    		[O
     
    2
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Arsenolite
    As
     
    2
    		O
     
    3
    Reference: [MinRec 19:253-257]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [Econ Geology (1993)88:171-185; Econ Geol (1997) 92:601-622]
  		•  Atacamite
    Cu
     
    2
    		[(OH)
     
    3
    		|Cl]
    Habit: prismatic
    Colour: green
    Description: associated with hemimorphite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Augite
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Aurichalcite
    (Zn,Cu)
     
    5
    		[(OH)
     
    3
    		|CO
     
    3
    		]
     
    2
    Habit: radial, lathe like
    Colour: light blue
    Description: associated with malachite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Austinite
    CaZn[OH|AsO
     
    4
    		]
    Habit: balls of tiny crystals
    Colour: green
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Autunite
    Ca(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Axinite-(Fe)
    Ca
     
    2
    		Fe
    2+
     
    		Al
     
    2
    		[OH|BSi
     
    4
    		O
     
    15
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Azurite
    Cu
     
    3
    		[OH|CO
     
    3
    		]
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Baryte
    BaSO
     
    4
    Reference: [MinRec 19:253-257]
    Site Photo
    Twin Creeks Mine, Potosi District, Humboldt Co., Nevada, USA
    © 2002 John H. Betts
  		•  Bayldonite
    Cu
     
    3
    		Pb[OH|AsO
     
    4
    		]
     
    2
    Habit: fine granular
    Colour: yellow-green
    Description: associated with malachite and molybdofornacite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2009
  		•  Bementite
    Mn
     
    5
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    6
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Golconda District, Humboldt Co., Nevada, USA
    © Rob Lavinsky
  		•  Beraunite
    Fe
    2+
     
    		Fe
    3+
    5
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    4
    		] · 4H
     
    2
    		O
    Habit: platy, radial lathe like
    Colour: dark green
    Description: associated with kidwellite and jarosite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Berthierite
    FeSb
     
    2
    		S
     
    4
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1985) 80:360-393]
  		•  Beudantite
    PbFe
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|AsO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Bindheimite ?
    Pb
     
    2
    		Sb
     
    2
    		O
     
    6
    		(O,OH)
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Biotite
    Reference: [Econ Geol (1997) 92:601-622; Econ Geol (1997) 92:601-622]
  		•  Bismuth
    Bi
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Bismuthinite
    Bi
     
    2
    		S
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Bornite
    Cu
     
    5
    		FeS
     
    4
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Bournonite
    PbCuSbS
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Brannerite ?
    (U
    4+
     
    		,Ca)(Ti,Fe
    3+
     
    		)
     
    2
    		O
     
    6
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Braunite
    Mn
    2+
     
    		Mn
    3+
    6
    		[O
     
    8
    		|SiO
     
    4
    		]
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Britholite-(Y) ?
    Ca
     
    2
    		(Y,Ca)
     
    3
    		[(OH,F)|(SiO
     
    4
    		,PO
     
    4
    		)
     
    3
    		]
    Description: 10 micron inclusion in zircon
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Brochantite
    Cu
     
    4
    		[(OH)
     
    6
    		|SO
     
    4
    		]
    Habit: prismatic
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Buddingtonite
    (NH
     
    4
    		)[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Cacoxenite
    Fe
    3+
    24
    		Al[(OH)
     
    12
    		|O
     
    6
    		|(PO
     
    4
    		)
     
    17
    		] · 17H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Calaverite
    AuTe
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Calcite
    CaCO
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Devil's Corral, Black Rock Desert area, Humboldt Co., Nevada, USA
    © 2001 John H. Betts
  		•  Calderónite
    Pb
     
    2
    		Fe
    3+
     
    		[OH|(VO
     
    4
    		)
     
    2
    		]
    Habit: platy
    Colour: orange-brown
    Description: Also confirmed by XRD. Associated with hinsdalite, stolzite, and alunite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Caledonite
    Cu
     
    2
    		Pb
     
    5
    		[(OH)
     
    6
    		|CO
     
    3
    		|(SO
     
    4
    		)
     
    3
    		]
    Habit: prismatic
    Colour: blue
    Description: Also confirmed by XRD. Associated with hinsdalite, stolzite, and alunite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Calomel
    Hg
     
    2
    		Cl
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Carminite
    PbFe
    3+
    2
    		[OH|AsO
     
    4
    		]
     
    2
    Reference: [Collected by and in the collection of Brent Thorne.]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Stephan Wolfsried
  		•  Carnotite
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		[VO
     
    4
    		]
     
    2
    		 · 3H
     
    2
    		O
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Cassiterite
    SnO
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Čechite
    Pb(Fe
    2+
     
    		,Mn
    2+
     
    		)[OH|VO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Celsian
    Ba[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Cerussite
    PbCO
     
    3
    Habit: platy smears
    Colour: colorless
    Description: associated with wulfenite and molybdofornacite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  'Chabazite'
    Reference: [MinRec 19:253-257]
  		•  Chaidamuite
    ZnFe(SO
     
    4
    		)
     
    2
    		(OH)·4H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © 2007, JGW
  		•  Chalcanthite
    CuSO
     
    4
    		·5H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Chalcedony'
    Reference: [Econ Geol (1997) 92:601-622]
  		•  'Chalcedony
    var: Agate'
    SiO
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Chalcedony
    var: Dendritic Agate'
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  'Chalcedony
    var: Fortification Agate'
    Reference: [Kunz, 1892. Gems & Precious Stones of N. America, p.133.]
  		•  'Chalcedony
    var: Moss Agate'
    Reference: [Kunz, 1892. Gems & Precious Stones of N. America, p.133.]
  		•  'Chalcedony
    var: Petrified Wood'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Chalcocite
    Cu
     
    2
    		S
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [MinRec 19:253-257; Econ Geol (1997) 92:601-622]
  		•  Chalcosiderite
    Cu(Fe
    3+
     
    		,Al)
     
    6
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 4H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Saul Krotki 2006
  		•  Chalcostibite
    CuSbS
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Chapmanite
    Fe
    3+
    2
    		Sb
    3+
     
    		[OH|(SiO
     
    4
    		)
     
    2
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Chlorargyrite
    AgCl
    Habit: distorted octrahedrons
    Colour: gray-green, brownish
    Description: associated with most other minerals
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Stephan Wolfsried
  		•  Chlorargyrite
    var: Bromian Chlorargyrite
    Ag(Cl,Br)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Chlorite Group'
    Reference: [Econ Geol (1997) 92:601-622]
  		•  Christite
    TlHgAsS
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Chrysocolla
    (Cu,Al)
     
    2
    		H
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·nH
     
    2
    		O
    Habit: amorphous coatings
    Colour: light blue-green
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Cinnabar
    HgS
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Snow Drift Mine, Poverty Peak District, Humboldt Co., Nevada, USA
    © Karl Volkman03/05
  		•  'Clay'
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Clinochlore
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Clinoptilolite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Clinosafflorite
    (Co,Fe,Ni)As
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Coffinite
    (U,Th)[(OH)
     
    4x
    		|(SiO
     
    4
    		)
     
    1-x
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Collinsite
    Ca
     
    2
    		(Mg,Fe
    2+
     
    		)[PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [Rocks & Minerals, Nov. 1999]
  		•  Coloradoite
    HgTe
    Reference: [MinRec 19:253-257]
  		•  Conichalcite
    CaCu[OH|AsO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Connellite
    Cu
     
    19
    		[(OH)
     
    32
    		|SO
     
    4
    		|Cl
     
    4
    		] · 3H
     
    2
    		O
    Reference: [Collected by and in the collection of Brent Thorne]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2008
  		•  Copiapite
    Fe
    2+
     
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Copper
    Cu
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Copper Stain'
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Corderoite (TL)
    Hg
    2+
    3
    		[Cl
     
    2
    		|S
     
    2
    		]
    Type Locality: McDermitt Mine (Cordero Mine; Old Cordero Mine), Opalite District, Humboldt Co., Nevada, USA
    Reference: [AmMin 84:194]
    Site Photo
    McDermitt Mine (Cordero Mine; Old Cordero Mine), Opalite District, Humboldt Co., Nevada, USA
    © 2005 M. Kampf
  		•  Cordierite
    (Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    5
    		O
     
    18
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Corkite
    PbFe
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|PO
     
    4
    		]
    Reference: [Rocks & Minerals Vol. 74 No. 6 Nov/Dec 1999]
  		•  Corundum
    Al
     
    2
    		O
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Covellite
    CuS
    Colour: metallic purple
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2009
  		•  Crandallite
    CaAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Creedite
    Ca
     
    3
    		[SO
     
    4
    		|Al
     
    2
    		F
     
    8
    		(OH)
     
    2
    		] · 2H
     
    2
    		O
    Habit: radial spherules of prismatic crystals
    Colour: colorless
    Description: Associated with brochantite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Cristobalite
    SiO
     
    2
    Reference: [Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 501.]
  		•  Cryptomelane
    K(Mn
    4+
     
    		,Mn
    2+
     
    		)
     
    8
    		O
     
    16
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Cuprite
    Cu
     
    2
    		O
    Reference: [Collected by and in the collection of Brent Thorne.]
  		•  Curetonite (TL)
    Ba
     
    4
    		Al
     
    3
    		Ti(PO
     
    4
    		)
     
    4
    		(O,OH)
     
    6
    Type Locality: Redhouse Barite Mine, Potosi District, Humboldt Co., Nevada, USA
    Reference: [Min Rec 10:4 pp219-221]
    Site Photo
    Redhouse Barite Mine, Potosi District, Humboldt Co., Nevada, USA
    © c Knut Eldjarn
  		•  Cyanotrichite
    Cu
     
    4
    		Al
     
    2
    		[(OH)
     
    12
    		|SO
     
    4
    		] · 2H
     
    2
    		O
    Habit: fine fibers
    Colour: blue
    Description: Associated with malachite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Cymrite
    BaAl
     
    2
    		Si
     
    2
    		(O,OH)
     
    8
    		·H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Cyrilovite
    NaFe
    3+
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Descloizite ?
    Pb(Zn,Cu)[OH|VO
     
    4
    		]
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © JM 2006
  		•  Digenite
    Cu
     
    9
    		S
     
    5
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: []
  		•  Dolomite
    CaMg(CO
     
    3
    		)
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Dufrénite
    Ca
     
    0.5
    		Fe
    2+
     
    		Fe
    3+
    5
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Duftite
    PbCu[OH|AsO
     
    4
    		]
    Habit: sprays of prismatic crystals
    Colour: yellow-green
    Description: Associated with mimetite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Eglestonite
    [Hg
    1+
    2
    		]
     
    3
    		[O|OH|Cl
     
    3
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Cahill mine, Poverty Peak District, Humboldt Co., Nevada, USA
    © Michael D. Cline
  		•  Enargite
    Cu
     
    3
    		AsS
     
    4
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Englishite
    K
     
    3
    		Na
     
    2
    		Ca
     
    10
    		Al
     
    15
    		[OH|(PO
     
    4
    		)
     
    3
    		]
     
    7
    		 · 26H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Epsomite
    MgSO
     
    4
    		·7H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Erionite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Eucairite
    AgCuSe
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Evansite ?
    Al
     
    3
    		[(OH)
     
    6
    		|PO
     
    4
    		] · 6H
     
    2
    		O
    Reference: [Min Rec 10:4 pp219-221]
  		•  Faustite
    (Zn,Cu)Al
     
    6
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 4H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Fayalite
    Fe
    2+
    2
    		[SiO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Feldspar Group'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Ferrimolybdite
    Fe
     
    2
    		[MoO
     
    4
    		]
     
    3
    		 · nH
     
    2
    		O
    Reference: [MinRec 19:253-257]
  		•  Ferritungstite
    (W,Fe
    3+
     
    		)(O,OH)
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Fibroferrite
    Fe
    3+
     
    		[OH|SO
     
    4
    		] · 5H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Fluellite ?
    Al
     
    2
    		[F
     
    2
    		|OH|PO
     
    4
    		] · 7H
     
    2
    		O
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Fluorite
    CaF
     
    2
    Reference: [MinRecord 16:15-23]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © DM 06
  		•  Fornacite ?
    Pb
     
    2
    		Cu[OH|AsO
     
    4
    		|CrO
     
    4
    		]
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Forsterite
    Mg
     
    2
    		[SiO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Gaitite
    Ca
     
    2
    		Zn[AsO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Habit: Spheres to 1mm
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Twin Creeks Mine, Potosi District, Humboldt Co., Nevada, USA
    © 2007, JGW
  		•  Galena
    PbS
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1997) 92:601-622]
  		•  Galena
    var: Argentiferous Galena
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Galkhaite
    (Cs,Tl)(Hg,Cu,Zn)
     
    6
    		(As,Sb)
     
    4
    		S
     
    12
    Habit: Red cubes to 5mm, gray crystals to 1.2cm
    Colour: Nearly black in reflected light; dark red in transmitted light
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Jungles, G. (1974): Galkhaite: A newly described mineral from Siberia found at the Getchell mine, Nevada. Mineralogical Record 5: 290]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © 2004 JBS
  		•  'Garnet Group'
    X
     
    3
    		Z
     
    2
    		(TO
     
    4
    		)
     
    3
    		 (X = Ca, Fe, etc·, Z = Al, Cr, etc·, T = Si, As, V)
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  'Garnierite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Gersdorffite
    NiAsS
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Getchellite (TL)
    AsSbS
     
    3
    Type Locality: Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    Reference: [Am Min 50:1817-1826; American Mineralogist, Volume 68, pages 235-244, 1983]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © Tagliabue-Foschi
  		•  Gibbsite
    Al(OH)
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Gismondine
    Ca[Al
     
    2
    		Si
     
    2
    		O
     
    8
    		]·4.5H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Goethite
    α-Fe
    3+
     
    		O(OH)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Gold
    Au
    Reference: [MinRec 19:253-257; Econ Geol (1997) 92:601-622]
    Site Photo
    Humboldt Co., Nevada, USA
    © Dan & Diana Weinrich Minerals
  		•  Gold
    var: Electrum
    (Au, Ag)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Graphite
    C
    Reference: [MinRec 19:253-257]
  		•  Grossular
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Guérinite
    Ca
     
    5
    		[(HAsO
     
    4
    		)
     
    2
    		|(AsO
     
    4
    		)
     
    2
    		] · 9H
     
    2
    		O
    Reference: [MinRec 19:253-257]
  		•  'Gummite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Gypsum
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © DM 06
  		•  Haidingerite
    Ca[HAsO
     
    4
    		] · H
     
    2
    		O
    Reference: [MinRec 19:253-257]
  		•  Halite
    NaCl
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Hectorite
    Na
     
    0.3
    		(Mg,Li)
     
    3
    		Si
     
    4
    		O
     
    10
    		(F,OH)
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Hedenbergite
    CaFe
    2+
     
    		[Si
     
    2
    		O
     
    6
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Hemimorphite
    Zn
     
    4
    		[(OH)
     
    2
    		|Si
     
    2
    		O
     
    7
    		] · H
     
    2
    		O
    Habit: prismatic
    Colour: colorless
    Description: Associated with malachite and calcite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © JM 2006
  		•  Hentschelite
    CuFe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    Habit: radial clusters of prismatic crystals
    Colour: dark green
    Description: Associated with jarosite and kidwellite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Hessite
    Ag
     
    2
    		Te
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Heterogenite ?
    CoO(OH)
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  'Heulandite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Heyite
    Pb
     
    5
    		Fe
    2+
    2
    		[O
     
    2
    		|VO
     
    4
    		]
     
    2
    Habit: small twinned flakes
    Colour: yellow, orange
    Description: Also confirmed by XRD
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Hinsdalite
    PbAl
     
    3
    		[(OH)
     
    6
    		|SO
     
    4
    		|PO
     
    4
    		]
    Reference: []
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © JM 2006
  		•  Hisingerite
    Fe
    3+
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    		·2H
     
    2
    		O
    Reference: [Min Rec 10:4 pp219-221]
  		•  Hollandite
    Ba(Mn
    4+
     
    		,Mn
    2+
     
    		)
     
    8
    		O
     
    16
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Hübnerite
    MnWO
     
    4
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Hydrobiotite
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Hydroniumjarosite
    (H
     
    3
    		O)Fe
    3+
    3
    		(SO
     
    4
    		)
     
    2
    		(OH)
     
    6
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Sulfur District, Humboldt Co., Nevada, USA
    © luigi chiappino
  		•  Hypersthene
    (Fe,Mg)SiO
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Illite
    K
     
    0.65
    		A
     
    2.0
    		 [][Al
     
    0.65
    		Si,
     
    3.35
    		O
     
    10
    		](OH)
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Ilsemannite
    Mo
     
    3
    		O
     
    8
    		·nH
     
    2
    		O
    Reference: [MinRec 16:20]
    Site Photo
    Lone Tree Mine, Buffalo Mountain District, Humboldt Co., Nevada, USA
    © 2008 Jesse Crawford
  		•  Iodargyrite
    AgI
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © 2008 Jesse Crawford
  		•  Jamesonite
    Pb
     
    4
    		FeSb
     
    6
    		S
     
    14
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Jarosite
    KFe
    3+
     
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Saul Krotki 2006
  		•  Jordanite
    Pb
     
    14
    		(As,Sb)
     
    6
    		S
     
    23
    Habit: Inclusions in galena and sphalerite
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Kalinite
    KAl(SO
     
    4
    		)
     
    2
    		·11H
     
    2
    		O Not confirmed
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Kaolinite
    Al
     
    2
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Kenhsuite (TL)
    Hg
    2+
    3
    		[Cl
     
    2
    		|S
     
    2
    		]
    Type Locality: McDermitt Mine (Cordero Mine; Old Cordero Mine), Opalite District, Humboldt Co., Nevada, USA
    Reference: [AmMin 84:194]
  		•  Kermesite
    Sb
     
    2
    		S
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Kidwellite
    NaFe
    3+
    9
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 5H
     
    2
    		O
    Habit: radiating fiberous coatings
    Colour: light to dark green
    Description: Associated with jarosite and other phosphate minerals
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Kingsmountite
    Ca
     
    4
    		(Fe
    2+
     
    		,Mn
    2+
     
    		)Al
     
    4
    		[(OH)
     
    2
    		|(PO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 12H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Kleinite
    [Hg
     
    2
    		N]
    +
    3
    		Cl
     
    2
    		S
     
    0.5
    		 · H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; McCormack, J.K. (2000): Mineralium Deposita 35(8), 796-798.]
    Site Photo
    McDermitt Mine (Cordero Mine; Old Cordero Mine), Opalite District, Humboldt Co., Nevada, USA
    © JBS 2006
  		•  Laffittite
    AgHgAsS
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; American Mineralogist, Volume 68, pages 235-244, 1983]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © Thomas Witzke
  		•  Laumontite
    CaAl
     
    2
    		Si
     
    4
    		O
     
    12
    		·4H
     
    2
    		O
    Reference: []
  		•  Lepidocrocite
    γ-Fe
    3+
     
    		O(OH)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Leucophosphite
    KFe
    3+
    2
    		[OH|(PO
     
    4
    		)
     
    2
    		] · 2H
     
    2
    		O
    Habit: platy to sheaves, spheres
    Colour: cream to tan
    Description: Also confirmed by SEM/EDS and XRD. Associated with lipscombite and kidwellite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © JM 2006
  		•  Leucoxene
    Reference: [Econ Geol (1997) 92:578-600]
  		•  Libethenite
    Cu
     
    2
    		[OH|PO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Limonite
    FeO(OH)·nH
     
    2
    		O
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Linarite
    PbCu[(OH)
     
    2
    		|SO
     
    4
    		]
    Habit: bladed
    Colour: deep blue
    Description: Associated with brochantite and caledonite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2007
  		•  Lipscombite
    (Fe
    2+
     
    		,Mn
    2+
     
    		)Fe
    3+
    2
    		[OH|PO
     
    4
    		]
     
    2
    Habit: coatings, balls of fine crystals
    Colour: very dark green to brown
    Description: Associated with perhamite, turquoise, and wavellite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © JM 2006
  		•  Löllingite
    FeAs
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Lorándite
    TlAsS
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [MinRec 19:253-257]
  		•  Malachite
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Marcasite
    FeS
     
    2
    Reference: [MinRec 19:253-257; Econ Geol (1997) 92:601-622]
  		•  Massicot
    PbO
    Description: Grew on lead assay sheet from dump.
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Melanterite
    FeSO
     
    4
    		·7H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Meneghinite
    Pb
     
    13
    		CuSb
     
    7
    		S
     
    24
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Mercury
    Hg
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Meta-ankoleite
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		 · 6H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Meta-autunite
    Ca(UO
     
    2
    		)
     
    2
    		[PO
     
    4
    		]
     
    2
    		· 6-8H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Metacinnabar
    HgS
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Metastibnite
    Sb
     
    2
    		S
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © 2008 Jesse Crawford
  		•  Metavariscite
    AlPO
     
    4
    		·2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Metazeunerite
    Cu(UO
     
    2
    		)
     
    2
    		[AsO
     
    4
    		]
     
    2
    		 · 8H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Meurigite-K
    [K(H
     
    2
    		O)
     
    2.5
    		][Fe
    3+
    8
    		(PO
     
    4
    		)
     
    6
    		(OH)
     
    7
    		(H
     
    2
    		O)
     
    4
    		]
    Habit: sprays of fibers
    Colour: colorless to cream
    Description: Also confirmed by XRD
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Meurigite-Na (TL)
    [Na(H
     
    2
    		O)
     
    2.5
    		][Fe
    3+
    8
    		(PO
     
    4
    		)
     
    6
    		(OH)
     
    7
    		(H
     
    2
    		O)
     
    4
    		]
    Type Locality: Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    Reference: [A. R. Kampf, P. M. Adams, U. Kolitsch and I. M. Steele (2009): Meurigite-Na, a new species, and the relationship between phosphofibrite and meurigite. Am. Mineral. 94, 720-727.]
  		•  Miargyrite
    AgSbS
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1985) 80:360-393]
  		•  Mimetite
    Pb
     
    5
    		[Cl|(AsO
     
    4
    		)
     
    3
    		]
    Habit: prismatic
    Colour: colorless to yellow
    Description: Associated with wulfenite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Mitridatite
    Ca
     
    2
    		Fe
    3+
    3
    		[O
     
    2
    		|(PO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Mixite
    BiCu
     
    6
    		[(OH)
     
    6
    		|(AsO
     
    4
    		)
     
    3
    		] · 3H
     
    2
    		O
    Habit: sprays of fine fibers
    Colour: green
    Description: Associated with malachite and brochantite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Molybdenite
    MoS
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Molybdite
    MoO
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Molybdofornacite
    Pb
     
    2
    		Cu[OH|(AsO
     
    4
    		,PO
     
    4
    		)|(MoO
     
    4
    		,CrO
     
    4
    		)]
    Habit: square plates in clusters
    Colour: yellow-green
    Description: Also confirmed by XRD. Associated with hemimorphite, duftite, and malachite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Montgomeryite
    Ca
     
    4
    		MgAl
     
    4
    		[(OH)
     
    2
    		|(PO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 12H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Montmorillonite
    (Na,Ca)
     
    0.33
    		(Al,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Montroydite
    HgO
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Mordenite
    (Na
     
    2
    		,Ca,K
     
    2
    		)Al
     
    2
    		Si
     
    10
    		O
     
    24
    		·7H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Morinite
    Na
     
    2
    		Ca
     
    4
    		Al
     
    4
    		[(F,OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 3H
     
    2
    		O
    Habit: botryoidal
    Colour: light blue
    Description: Associated with perhamite and turquoise
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Mosesite ?
    [Hg
     
    2
    		N]
    +
     
    		(Cl,SO
     
    4
    		,MoO
     
    4
    		) · H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Mottramite
    Pb(Cu,Zn)[OH|VO
     
    4
    		]
    Habit: fine clusters of plates
    Colour: brown-black
    Description: Also confirmed by XRD
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Economic Geology (1987) 82:934-950]
  		•  Natroalunite
    (Na,K)Al
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [Econ Geol (1997) 92:578-600]
  		•  Natrojarosite
    NaFe
     
    3
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Natron
    Na
     
    2
    		CO
     
    3
    		·10H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Naumannite
    Ag
     
    2
    		Se
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Neotocite ?
    (Mn,Fe,Mg)SiO
     
    3
    		·H
     
    2
    		O
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Nontronite
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Olivenite ?
    Cu
     
    2
    		[OH|AsO
     
    4
    		]
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
    Site Photo
    Virgin Valley District, Humboldt Co., Nevada, USA
    © Rob Lavinsky
  		•  Opal
    var: Black Opal
    Reference: []
    Site Photo
    Virgin Valley District, Humboldt Co., Nevada, USA
    © 2001 John H. Betts
  		•  Opal
    var: Bone Opal
    Reference: []
  		•  Opal
    var: Crystal Opal
    Reference: []
  		•  Opal
    var: Honey Opal
    Reference: []
  		•  Opal
    var: Hydrophane
    Reference: []
  		•  Opal
    var: Jelly Opal
    Reference: []
  		•  Opal
    var: Lechosos Opal
    Reference: []
  		•  Opal
    var: Milk Opal
    Reference: []
  		•  Opal
    var: Precious Fire Opal
    Reference: []
    Site Photo
    Virgin Valley District, Humboldt Co., Nevada, USA
    © Rob Lavinsky
  		•  Opal
    var: Precious Opal
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: []
  		•  Opal
    var: Wood Opal
    Reference: []
    Site Photo
    Virgin Valley District, Humboldt Co., Nevada, USA
    © Rob Lavinsky
  		•  Orpheite
    PbAl
     
    3
    		[(OH)
     
    6
    		|(PO
     
    4
    		,SO
     
    4
    		)
     
    2
    		] (?)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © 2005 M. Kampf
  		•  Orpiment
    As
     
    2
    		S
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1997) 92:601-622; American Mineralogist, Volume 68, pages 235-244, 1983]
    Site Photo
    Twin Creeks Mine, Potosi District, Humboldt Co., Nevada, USA
    © 2001 John H. Betts
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Owyheeite ?
    Ag
     
    3+x
    		Pb
     
    10-2x
    		Sb
     
    11+x
    		S
     
    28
    		, -0.13 < x > +0.20
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Palygorskite
    (Mg,Al)
     
    5
    		(Si,Al)
     
    8
    		O
     
    20
    		(OH)
     
    2
    		·8H
     
    2
    		O
    Reference: []
  		•  Pararealgar
    As
     
    4
    		S
     
    4
    Reference: [Handbook of Mineralogy]
  		•  Paratacamite
    Cu
     
    3
    		(Cu,Zn)[(OH)
     
    3
    		|Cl]
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Pascoite
    Ca
     
    3
    		[V
     
    10
    		O
     
    28
    		] · 17H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Pectolite
    NaCa
     
    2
    		[HSi
     
    3
    		O
     
    9
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Perhamite
    (Ca,Sr)
     
    3
    		Al
     
    7.7
    		Si
     
    3
    		P
     
    4
    		O
     
    23.5
    		(OH)
     
    14.1
    		·8H
     
    2
    		O
    Habit: hexagonal plates
    Colour: colorless
    Description: Associated with morinite, lipscombite, and turquoise
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Pharmacolite
    CaHAsO
     
    4
    		·2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Pharmacosiderite
    KFe
    3+
    4
    		[(OH)
     
    4
    		|(AsO
     
    4
    		)
     
    3
    		] · 6-7H
     
    2
    		O
    Habit: cubes
    Colour: pale yellow-green
    Description: Associated with jarosite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Phlogopite
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Phosphofibrite
    [K
     
    <0.5
    		(H
     
    2
    		O)
     
    3
    		][(Fe
    3+
     
    		,Cu)
     
    8
    		(PO
     
    4
    		)
     
    6
    		(OH)
     
    7
    		(H
     
    2
    		O)
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © JM 2006
  		•  Phosphohedyphane
    Pb
     
    3
    		Ca
     
    2
    		[Cl|(PO
     
    4
    		)
     
    3
    		]
    Habit: thin prisms
    Colour: colorless
    Description: calcian pyromorphite rims with phosphohedyphane cores
    Reference: [Am.Min. 91, 1909-1917(2006)]
  		•  Picropharmacolite
    Ca
     
    4
    		Mg[(HAsO
     
    4
    		)
     
    2
    		|(AsO
     
    4
    		)
     
    2
    		] · 11H
     
    2
    		O
    Reference: [MinRecord 16:15-23]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © Brent Thorne 2008
  		•  Piemontite
    {Ca
     
    2
    		}{Al
     
    2
    		Mn
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Pigeonite
    (Mg,Fe
    2+
     
    		,Ca)(Mg,Fe
    2+
     
    		)[Si
     
    2
    		O
     
    6
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Plumbogummite
    PbAl
     
    3
    		[(OH)
     
    5
    		|(PO
     
    4
    		)
     
    2
    		] · H
     
    2
    		O
    Habit: Sheaves and crusts, rhombohedral crystals
    Colour: olive green
    Description: Also confirmed by XRD
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Plumbojarosite
    PbFe
    3+
    6
    		[(OH)
     
    3
    		|SO
     
    4
    		]
     
    4
    Habit: hexagonal plates
    Colour: yellow-brown
    Description: Zoned with alunite
    Reference: [Proceedings of the Russian Mineralogical Society, 135(6), 2006, pp 13–18; Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Polhemusite
    (Zn,Hg)S
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Polybasite
    [(Ag,Cu)
     
    6
    		(Sb,As)
     
    2
    		S
     
    7
    		][Ag
     
    9
    		CuS
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Powellite
    Ca[MoO
     
    4
    		]
    Reference: [Rocks & Min.: 63:487.]
  		•  Prehnite
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Proustite
    Ag
     
    3
    		AsS
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Pseudomalachite
    Cu
     
    5
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Psilomelane'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Pyrargyrite
    Ag
     
    3
    		SbS
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1985) 80:360-393]
    Site Photo
    Paradise mine, Paradise Valley District, Humboldt Co., Nevada, USA
    © Rob Lavinsky
  		•  Pyrite
    FeS
     
    2
    Description: Arsenian variety.
    Reference: [Am Min 50:1817-1826; Econ Geol (1997) 92:601-622]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2009
  		•  Pyrolusite
    MnO
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Pyromorphite
    Pb
     
    5
    		[Cl|(PO
     
    4
    		)
     
    3
    		]
    Habit: prismatic
    Colour: colorless
    Description: Associated with hinsdalite. Forms rims of calcian pyromorphite over cores of phosphohedyphane
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
     
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1997) 92:601-622]
  		•  Quartz
    SiO
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Getchell sec. 5 pit (Marshall Canyon mine), Potosi District, Humboldt Co., Nevada, USA
    © Keith Wood, 2005
  		•  Quartz
    var: Amethyst
    SiO
     
    2
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Quartz
    var: Chert
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Quartz
    var: Jasper
    Reference: []
  		•  Quartz
    var: Rock Crystal
    Reference: [Ed Muceus; Chet Lemanski collection.]
  		•  Quartz
    var: Smoky Quartz
    SiO
     
    2
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Radtkeite (TL)
    Hg
    2+
    3
    		[Cl|I|S
     
    2
    		]
    Type Locality: McDermitt Mine (Cordero Mine; Old Cordero Mine), Opalite District, Humboldt Co., Nevada, USA
    Reference: [AM 76 (1991), 1715; HB3 (1997); NM 90-94 (1997)]
  		•  Rauenthalite
    Ca
     
    3
    		[AsO
     
    4
    		]
     
    2
    		 · 10H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Realgar
    As
     
    4
    		S
     
    4
    Habit: Crystals to 12cm
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1997) 92:601-622; American Mineralogist, Volume 68, pages 235-244, 1983]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © 2001 John H. Betts
  		•  Rhodochrosite
    MnCO
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Lone Tree Mine, Buffalo Mountain District, Humboldt Co., Nevada, USA
    © Rob Lavinsky
  		•  Rhodonite
    MnSiO
     
    3
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Riebeckite
    [ ][Na
     
    2
    		][Fe
    2+
    3
    		Fe
    3+
    2
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Robinsonite
    Pb
     
    4
    		Sb
     
    6
    		S
     
    13
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Romanèchite
    (Ba,H
     
    2
    		O)
     
    2
    		Mn
     
    5
    		O
     
    10
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Sequoia Pit, Lone Tree Mine, Buffalo Mountain District, Humboldt Co., Nevada, USA
    © Russell G. Rizzo
  		•  Rosasite
    (Cu,Zn)
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
    Habit: botryoidal
    Colour: blue
    Description: Associated with hemimorphite, duftite, and chlorargyrite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Saul Krotki 2006
  		•  Rozenite
    FeSO
     
    4
    		·4H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Rutile
    TiO
     
    2
    Reference: [Collected by and in the collection of Brent Thorne.]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne
  		•  Sarmientite
    Fe
    3+
    2
    		[OH|SO
     
    4
    		|AsO
     
    4
    		] · 5H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Scheelite
    Ca[WO
     
    4
    		]
    Reference: [MinRec 19:253-257]
    Site Photo
    Reilly Mine (Riley mine), Potosi District, Humboldt Co., Nevada, USA
    © Charles Creekmur
  		•  Schröckingerite
    NaCa
     
    3
    		(UO
     
    2
    		)[F|(CO
     
    3
    		)
     
    3
    		|SO
     
    4
    		] · 10H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Scorodite
    Fe
    3+
     
    		AsO
     
    4
    		·2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Selenium
    Se
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  'Sericite'
    Reference: [Econ Geol (1997) 92:601-622]
  		•  Siderite
    FeCO
     
    3
    Reference: [Rocks & Minerals, Nov. 1999]
  		•  Silver
    Ag
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2009
  		•  'Smectite Group'
    A
     
    0.3
    		D
     
    2-3
    		[T
     
    4
    		O
     
    10
    		]Z
     
    2
    		·nH
     
    2
    		O
    Reference: [Econ Geol (1997) 92:578-600]
  		•  Smithsonite
    ZnCO
     
    3
    Habit: rhombohedra
    Colour: colorless
    Description: Associated with hemimorphite and malachite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Soddyite
    (UO
     
    2
    		)
     
    2
    		SiO
     
    4
    		·2H
     
    2
    		O
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Spangolite
    Cu
     
    6
    		Al[(OH)
     
    12
    		|Cl|SO
     
    4
    		] · 3H
     
    2
    		O
    Habit: platy to equant
    Colour: blue-green
    Description: Associated with brochatite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada; Econ Geol (1997) 92:601-622]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Brent Thorne 2009
  		•  Spionkopite
    Cu
     
    39
    		S
     
    28
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Stephanite
    Ag
     
    5
    		SbS
     
    4
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Stibiconite
    Sb
    3+
     
    		Sb
    5+
    2
    		O
     
    6
    		(OH)
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Stibnite
    Sb
     
    2
    		S
     
    3
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © Brent Thorne 2008
  		•  'Stilbite'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © 2003 DM
  		•  Stolzite
    Pb[WO
     
    4
    		]
    Habit: square plates
    Colour: pale yellow
    Fluorescence: blue-white
    Description: Associated with pyromorphite and hinsdalite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Strengite
    FePO
     
    4
    		·2H
     
    2
    		O
    Habit: balls of tiny prismatic crystals
    Colour: red, pink
    Description: Also confirmed by optics. Associated with variscite, wavellite, and turquoise
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Stromeyerite
    AgCuS
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Sulphur
    S
     
    8
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Sylvite
    KCl
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Symplesite
    Fe
    2+
    3
    		(AsO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Tellurium
    Te
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Tennantite
    (Cu,Ag,Fe,Zn)
     
    12
    		As
     
    4
    		S
     
    13
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Tenorite
    CuO
    Reference: [NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada]
  		•  Terlinguacreekite
    Hg
    2+
    3
    		O
     
    2
    		Cl
     
    2
    Reference: [Canadian Mineralogist 43:1055-1060]
  		•  Terlinguaite
    Hg
     
    2
    		ClO
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Tetrahedrite
    (Cu,Fe,Ag,Zn)
     
    12
    		Sb
     
    4
    		S
     
    13
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Thorite
    (Th,U)[SiO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Tiemannite
    HgSe
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Tin ?
    Sn
    Description: May refer to analytical trace of tin in ore, not native element.
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Topaz
    Al
     
    2
    		[(F,OH)
     
    2
    		|SiO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Torbernite
    Cu(UO
     
    2
    		)
     
    2
    		(PO
     
    4
    		)
     
    2
    		·12H
     
    2
    		O
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  'Tourmaline'
    AD
     
    3
    		G
     
    6
    		(BO
     
    3
    		)
     
    3
    		[T
     
    6
    		O
     
    18
    		]Y
     
    3
    		Z
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Tridymite
    SiO
     
    2
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Tripuhyite
    Fe
    3+
     
    		Sb
    5+
     
    		O
     
    4
    Reference: [Mineralogical Magazine, February 2003, Vol. 67(1), pp. 31–46]
  		•  Turquoise
    Cu(Al,Fe
    3+
     
    		)
     
    6
    		[(OH)
     
    4
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 4H
     
    2
    		O
    Reference: [MinRec 23:425]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Stephan Wolfsried
  		•  Tvalchrelidzeite
    Hg
     
    3
    		SbAsS
     
    3
    Reference: [Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990]
  		•  Uraninite
    UO
     
    2
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Valentinite
    Sb
     
    2
    		O
     
    3
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Variscite
    AlPO
     
    4
    		·2H
     
    2
    		O
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Stephan Wolfsried
  		•  Vauquelinite ?
    Pb
     
    2
    		Cu[OH|PO
     
    4
    		|CrO
     
    4
    		]
    Reference: [Dr. William Wise presentation to the Northwest Micro MIneral Study Group, 1 May, 2004]
  		•  Vesuvianite
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  'Wad'
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
  		•  Wakabayashilite
    [(As,Sb)
     
    6
    		S
     
    9
    		][As
     
    4
    		S
     
    5
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]
    Site Photo
    Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
    © Peter Haas
  		•  Wardite
    NaAl
     
    3
    		[(OH)
     
    2
    		|PO
     
    4
    		]
     
    2
    		 · 2H
     
    2
    		O
    Habit: crusts of equant crystals
    Colour: colorless
    Description: Associated with perhamite and chlorargyrite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © JM 2006
  		•  Wavellite
    Al
     
    3
    		[(OH,F)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		] · 5H
     
    2
    		O
    Habit: radiating striated blades
    Colour: colorless
    Description: Also confirmed by XRD. Associated with turquoise
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Wm. Wise (2006)
  		•  Weeksite
    K
     
    2
    		(UO
     
    2
    		)
     
    2
    		(Si
     
    2
    		O
     
    5
    		)
     
    3
    		·4H
     
    2
    		O
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Weilite
    CaHAsO
     
    4
    Reference: [Handbook of Mineralogy]
  		•  Whitlockite
    Ca
     
    9
    		Mg[PO
     
    3
    		OH][PO
     
    4
    		]
     
    6
    Reference: []
  		•  Wolframite
    (Fe
    2+
     
    		)WO
     
    4
     
     
    		to (Mn
    2+
     
    		)WO
     
    4
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Wollastonite
    Ca[SiO
     
    3
    		]
    Reference: [NBMG Spec Pub 31 Minerals of Nevada]
  		•  Wulfenite
    Pb[MoO
     
    4
    		]
    Habit: square plates
    Colour: yellow to pale yellow
    Description: Associated with mimetite and cerussite
    Reference: [Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada]
  		•  Zinclipscombite (TL)
    ZnFe
    3+
    2
    		(PO
     
    4
    		)
     
    2
    		(OH)
     
    2
    Type Locality: Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    Reference: [Proceedings of the Russian Mineralogical Society, 135(6), 2006, pp 13–18.]
    Site Photo
    Silver Coin Mine, Valmy, Iron Point District, Humboldt Co., Nevada, USA
    © Leon Hupperichs
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [NBMG Spec. Pub. 31 Minerals of Nevada]


    354 entries listed. 295 valid minerals. 7 type localities (valid minerals).

    Localities in this Region:
    USA
     
    • Nevada
      • Humboldt Co.
        • Black Rock Desert area
            • South Mega Pit
        • Rabbit Hole (Sulfur; Sulphur) District
        • Santa Rosa Mountains

    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 Nevada, 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: 25th Nov 2009 16:39:17