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Washington, USA

StandardDetailedBy ChemistryMineral Photos (719)Site Photos (87)Search GoogleMineral Report for Region

References:
- Minerals of Washington (1975) B. Cannon, Cordilleran Press, 184 pp.
- Gems and Minerals of Washington (1985) L. R. Ream, Jackson Mountain Press, 217 pp.
- Rocks & Minerals 66 (1991) no. 4 [State Issue and Mineral Locality Index]

- http://www.washingtonminerals.com/
- http://minerals.usgs.gov/minerals/pubs/state/wa.html




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

Group 1 - Elements
  		• Bismuth1.CA.05
    Bi
  		• Diamond1.CB.10a
    C
  		• Gold1.AA.05
    Au
  		• Graphite1.CB.05a
    C
  		• Silver1.AA.05
    Ag
    Group 2 - Sulphides and Sulfosalts
  		• Acanthite2.BA.35
    Ag
     
    2
    		S
  		• Bornite2.BA.15
    Cu
     
    5
    		FeS
     
    4
  		• Chalcocite2.BA.05
    Cu
     
    2
    		S
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Cinnabar2.CD.15a
    HgS
  		• Galena2.CD.10
    PbS
  		• Krennerite2.EA.15
    (Au,Ag)Te
     
    2
  		• Molybdenite2.EA.30
    MoS
     
    2
  		• Orpiment2.FA.30
    As
     
    2
    		S
     
    3
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Realgar2.FA.15a
    As
     
    4
    		S
     
    4
  		• Sphalerite2.CB.05a
    (Zn,Fe
    2+
     
    		)S
  		• Stephanite2.GB.10
    Ag
     
    5
    		SbS
     
    4
  		• Stibnite2.DB.05
    Sb
     
    2
    		S
     
    3
  		• Tellurobismuthite2.DC.05
    Bi
     
    2
    		Te
     
    3
    Group 3 - Halides
  		• Fluorite3.AB.25
    CaF
     
    2
  		• Halite3.AA.20
    NaCl
    Group 4 - Oxides and Hydroxides
  		• Chromite4.BB.05
    FeCr
     
    2
    		O
     
    4
  		• Cristobalite4.DA.15
    SiO
     
    2
  		• Goethite4.FD.10
    α-Fe
    3+
     
    		O(OH)
  		• Hausmannite4.BB.10
    MnMn
     
    2
    		O
     
    4
  		• Hematite4.CB.05
    Fe
     
    2
    		O
     
    3
  		• Hercynite4.BB.05
    FeAl
     
    2
    		O
     
    4
  		• Ilmenite4.CB.05
    Fe
    2+
     
    		TiO
     
    3
  		• Magnetite4.BB.05
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
  		• Opal4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
      var: Hydrophane4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
      var: Opal-AN4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
      var: Wood Opal4.DA.10
    SiO
     
    2
    		·nH
     
    2
    		O
  		• Quartz4.DA.05
    SiO
     
    2
      var: Amethyst4.DA.05
    SiO
     
    2
      var: Jasper4.DA.05
    SiO
     
    2
      var: Rock Crystal4.DA.05
    SiO
     
    2
      var: Rutilated Quartz4.DA.05
    SiO
     
    2
      var: Sceptre Quartz4.DA.05
    SiO
     
    2
      var: Smoky Quartz4.DA.05
    SiO
     
    2
  		• Rutile4.DB.05
    TiO
     
    2
  		• Tenorite4.AB.10
    CuO
    Group 5 - Nitrates and Carbonates
  		• Aragonite5.AB.15
    CaCO
     
    3
  		• Calcite5.AB.05
    CaCO
     
    3
      var: Glendonite5.AB.05
    CaCO
     
    3
  		• Dolomite5.AB.10
    CaMg(CO
     
    3
    		)
     
    2
  		• Gaylussite5.CB.35
    Na
     
    2
    		Ca(CO
     
    3
    		)
     
    2
    		·5H
     
    2
    		O
  		• Hydromagnesite5.DA.05
    Mg
     
    5
    		[(CO
     
    3
    		)
     
    4
    		(OH)
     
    2
    		] · 4H
     
    2
    		O
  		• Magnesite5.AB.05
    MgCO
     
    3
  		• Natron5.CB.10
    Na
     
    2
    		CO
     
    3
    		·10H
     
    2
    		O
  		• Siderite
    var: Sphärosiderite    		5.AB.05
    FeCO
     
    3
  		• Smithsonite5.AB.05
    ZnCO
     
    3
  		• Strontianite5.AB.15
    SrCO
     
    3
  		• Thermonatrite5.CB.05
    Na
     
    2
    		CO
     
    3
    		·H
     
    2
    		O
  		• Trona5.CB.15
    Na
     
    3
    		H(CO
     
    3
    		)
     
    2
    		·2H
     
    2
    		O
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Baryte7.AD.35
    BaSO
     
    4
  		• Burkeite7.BD.25
    Na
     
    6
    		CO
     
    3
    		(SO
     
    4
    		)
     
    2
  		• Epsomite7.CB.40
    MgSO
     
    4
    		·7H
     
    2
    		O
  		• Gypsum7.CD.40
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
  		• Mirabilite7.CD.10
    Na
     
    2
    		SO
     
    4
    		·10H
     
    2
    		O
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
  		• Thenardite7.AC.25
    Na
     
    2
    		SO
     
    4
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Dufrénite8.DK.15
    Ca
     
    0.5
    		Fe
    2+
     
    		Fe
    3+
    5
    		[(OH)
     
    3
    		|(PO
     
    4
    		)
     
    2
    		]
     
    2
    		 · 2H
     
    2
    		O
  		• Hörnesite8.CE.40
    Mg
     
    3
    		(AsO
     
    4
    		)
     
    2
    		·8H
     
    2
    		O
  		• Scorodite8.CD.10
    Fe
    3+
     
    		AsO
     
    4
    		·2H
     
    2
    		O
    Group 9 - Silicates
  		• Actinolite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
      var: Byssolite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
      var: Nephrite9.DE.10
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
  		• Almandine9.AD.25
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Analcime9.GB.05
    Na
     
    2
    		[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
  		• Andalusite9.AF.10
    Al
     
    2
    		[O|SiO
     
    4
    		]
      var: Chiastolite9.AF.10
    Al
     
    2
    		[O|SiO
     
    4
    		]
  		• Andradite9.AD.25
    Ca
     
    3
    		Fe
    3+
    2
    		[SiO
     
    4
    		]
     
    3
  		• Anthophyllite9.DE.05
    ☐[Mg
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Armenite9.CM.05
    BaCa
     
    2
    		Al
     
    6
    		Si
     
    9
    		O
     
    30
    		·2H
     
    2
    		O
  		• Bementite9.EE.05
    Mn
     
    5
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    6
  		• Beryl9.CJ.05
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
  		• Biotite9..
  		• Cancrinite9.FB.05
    Na
     
    6
    		Ca
     
    2
    		[(CO
     
    3
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
  		• Celadonite9.EC.15
    K(Mg,Fe
    2+
     
    		)(Fe
    3+
     
    		,Al)[(OH)
     
    2
    		|Si
     
    4
    		O
     
    10
    		]
  		• Clinochlore
    var: Chromian Clinochlore    		9.EC.55
    Mg
     
    5
    		(Al,Cr)
     
    2
    		Si
     
    3
    		O
     
    10
    		(OH)
     
    8
  		• Clinoptilolite-Ca9.GE.05
    (Ca,Na,K)
     
    2-3
    		Al
     
    3
    		(Al,Si)
     
    2
    		Si
     
    13
    		O
     
    36
    		·12H
     
    2
    		O
  		• 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
  		• Datolite9.AJ.20
    CaB[OH|SiO
     
    4
    		]
  		• Diopside9.DA.15
    CaMg[Si
     
    2
    		O
     
    6
    		]
  		• Enstatite9.DA.05
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
  		• Epidote9.BG.05
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Epistilbite9.GD.45
    CaAl
     
    2
    		Si
     
    6
    		O
     
    16
    		·5H
     
    2
    		O
  		• Erionite-K9.GD.20
    (K
     
    2
    		,Ca,Na
     
    2
    		)
     
    2
    		[Al
     
    4
    		Si
     
    14
    		O
     
    36
    		] · 15H
     
    2
    		O
  		• Fersmanite ?9.BE.72
    (Ca,Na)
     
    4
    		(Ti,Nb)
     
    2
    		Si
     
    2
    		O
     
    11
    		(F,OH)
     
    2
  		• Forsterite9.AC.05
    Mg
     
    2
    		[SiO
     
    4
    		]
  		• Gonnardite9.GA.05
    Na
     
    2
    		Ca[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		]
     
    2
    		 · 7H
     
    2
    		O
  		• Grossular9.AD.25
    Ca
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Harmotome9.GC.10
    (Ba
     
    0.5
    		,Ca
     
    0.5
    		,K,Na)
     
    5
    		[Al
     
    5
    		Si
     
    11
    		O
     
    32
    		] ·12H
     
    2
    		O
  		• Hedenbergite9.DA.15
    CaFe
    2+
     
    		[Si
     
    2
    		O
     
    6
    		]
  		• Jadeite9.DA.25
    Na(Al,Fe
    3+
     
    		)[Si
     
    2
    		O
     
    6
    		]
  		• Kyanite9.AF.15
    Al
     
    2
    		[O|SiO
     
    4
    		]
  		• Laumontite9.GB.10
    CaAl
     
    2
    		Si
     
    4
    		O
     
    12
    		·4H
     
    2
    		O
  		• Meionite9.FB.15
    Ca
     
    4
    		[CO
     
    3
    		|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]
  		• Mesolite9.GA.05
    Na
     
    2
    		Ca
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		]
     
    3
    		 · 8H
     
    2
    		O
  		• Montmorillonite9.EC.40
    (Na,Ca)
     
    0.33
    		(Al,Mg)
     
    2
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
  		• Mordenite9.GD.35
    (Na
     
    2
    		,Ca,K
     
    2
    		)Al
     
    2
    		Si
     
    10
    		O
     
    24
    		·7H
     
    2
    		O
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Natrolite9.GA.05
    Na
     
    2
    		[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 2H
     
    2
    		O
  		• Neotocite9.ED.20
    (Mn,Fe,Mg)SiO
     
    3
    		·H
     
    2
    		O
  		• Nepheline9.FA.05
    (Na,K)[AlSiO
     
    4
    		]
  		• Nontronite9.EC.40
    Na
     
    0.3
    		Fe
     
    2
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·nH
     
    2
    		O
  		• Offretite9.GD.25
    KCaMgAl
     
    5
    		Si
     
    13
    		O
     
    36
    		·16H
     
    2
    		O or near
  		• Okenite9.EA.40
    CaSi
     
    2
    		O
     
    5
    		·2H
     
    2
    		O
  		• Orthoclase9.FA.30
    K[AlSi
     
    3
    		O
     
    8
    		]
  		• Paulingite-K (TL)9.GC.35
    (K
     
    2
    		,Ca,Na
     
    2
    		,Ba)
     
    5
    		[Al
     
    10
    		Si
     
    35
    		O
     
    90
    		] · 45H
     
    2
    		O
  		• Phillipsite-K9.GC.10
    (K,Na,Ca
     
    0.5
    		,Ba
     
    0.5
    		)
     
    4-7
    		[Al
     
    4-7
    		Si
     
    12-9
    		O
     
    32
    		]
    .
     
    		 12H
     
    2
    		O
  		• Prehnite9.DP.20
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
  		• Pyrope9.AD.25
    Mg
     
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Scolecite9.GA.05
    Ca[Al
     
    2
    		Si
     
    3
    		O
     
    10
    		] · 3H
     
    2
    		O
  		• Sepiolite9.EE.25
    Mg
     
    4
    		Si
     
    6
    		O
     
    15
    		(OH)
     
    2
    		·6H
     
    2
    		O
  		• Staurolite9.AF.30
    (Fe
    2+
     
    		,Mg,Zn)
     
    1.5-2
    		Al
     
    9
    		[O
     
    6
    		|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    4
    		]
  		• Stilpnomelane9.EG.40
    (K,Ca,Na)(Fe
    2+
     
    		,Mg,Al,Fe
    3+
     
    		)
     
    8
    		(Si,Al)
     
    12
    		(O,OH)
     
    36
    		 · nH
     
    2
    		O
  		• Talc9.EC.05
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
  		• Thomsonite-Ca9.GA.10
    NaCa
     
    2
    		[Al
     
    5
    		Si
     
    5
    		O
     
    20
    		] · 6H
     
    2
    		O
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Tremolite9.DE.10
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Uvarovite9.AD.25
    Ca
     
    3
    		Cr
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Vesuvianite9.BG.35
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
  		• Wairakite9.GB.05
    Ca[Al
     
    2
    		Si
     
    4
    		O
     
    12
    		] · 2H
     
    2
    		O
  		• Wollastonite9.DG.05
    Ca[SiO
     
    3
    		]
  		• Xonotlite9.DG.35
    Ca
     
    6
    		Si
     
    6
    		O
     
    17
    		(OH)
     
    2
  		• Zoisite9.BG.10
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Unclassified Minerals
  		• 'Apophyllite'-
  		• 'Axinite'-
  		• 'Chabazite'-
  		• 'Chalcedony'-
      'var: Agate'-
    SiO
     
    2
      'var: Myrickite'-
      'var: Petrified Wood'-
  		• 'Chlorite Group'-
  		• 'Clay'-
  		• 'Davidite'-
  		• 'Diatomaceous Earth'-
  		• 'Erionite'-
  		• 'Gmelinite'-
  		• 'Heulandite'-
  		• 'Lévyne'-
  		• 'Phillipsite'-
  		• 'Sericite'-
  		• 'Serpentine Group'-
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
  		• 'Smectite Group'-
    A
     
    0.3
    		D
     
    2-3
    		[T
     
    4
    		O
     
    10
    		]Z
     
    2
    		·nH
     
    2
    		O
  		• 'Stilbite'-
  		• 'Tourmaline'-


    152 entries listed. 130 valid minerals.

    Localities in this Region:


    378 localities of a total of 2395 localities shown. Additional sublocalities are indicated by the green plus sign(+).
    USA
     
    • Washington
      • Douglas and Chelan Co. Border
      • Skagit-Whatcom Co. Border

    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 Washington, 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: 29th Oct 2009 15:27:34