Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Washington County, Maine, USAi
Regional Level Types
Washington CountyCounty
MaineState
USACountry

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PhotosMapsSearch
05567560017272051185315.jpg
Pulpit Rock (1907 or earlier)

Robbinston, Washington County, Maine, USA
04551680017272022655842.jpg
Lubec Lead Mine, Lube, Maine in 1837

Lubec Lead Mine, Lubec, Washington County, Maine, USA
04596470017272051191173.jpg
Eastport coast (1921 or earlier)

Eastport, Washington County, Maine, USA
05567560017272051185315.jpg
Pulpit Rock (1907 or earlier)

Robbinston, Washington County, Maine, USA
04551680017272022655842.jpg
Lubec Lead Mine, Lube, Maine in 1837

Lubec Lead Mine, Lubec, Washington County, Maine, USA
04596470017272051191173.jpg
Eastport coast (1921 or earlier)

Eastport, Washington County, Maine, USA
05567560017272051185315.jpg
Pulpit Rock (1907 or earlier)

Robbinston, Washington County, Maine, USA
06773120017272022769723.jpg
Lubec Lead Mine, Lube, Maine in 1837

Lubec Lead Mine, Lubec, Washington County, Maine, USA
Neighbouring regions:
Hancock County, Maine, USA
Penobscot County, Maine, USA
York Co., New Brunswick, Canada
Aroostook County, Maine, USA
Charlotte Co., New Brunswick, Canada
Type:
County
Largest Settlements:
PlacePopulation
Calais2,980 (2017)
Jonesport1,464 (2017)
East Machias1,350 (2017)
Milbridge1,330 (2017)
Machias1,274 (2017)
Eastport1,266 (2017)
Mindat Locality ID:
22982
Long-form identifier:
mindat:1:2:22982:0
GUID (UUID V4):
0
Other Languages:
View 37 more...
French:
comté de Washington, Maine, États-Unis
German:
Washington County, Maine, Vereinigte Staaten
Italian:
contea di Washington, Maine, Stati Uniti d'America
Russian:
Вашингтон, Мэн, Соединённые Штаты Америки
Simplified Chinese:
華盛頓縣 , 缅因州, 美国
Spanish:
Condado de Washington, Maine, Estados Unidos
Albanian:
Washington County , Maine, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة واشنطن, مين, الولايات المتحدة
Armenian:
Վաշինգտոն շրջան, Մեն, Ամերիկայի Միացյալ Նահանգներ
Basque:
Washington konderria , Maine
Bavarian:
Washington County, Maine, Vaoanigte Stootn
Bengali:
ওয়াশিংটন কাউন্টি, মেইন, মার্কিন যুক্তরাষ্ট্র
Bishnupriya Manipuri:
ৱাশিংটন কাউন্টি, মেইন, তিলপারাষ্ট্র
Bulgarian:
Вашингтон, Мейн, Съединени американски щати
Cebuano:
Washington County , Maine
Dutch:
Washington County, Maine, Verenigde Staten
Esperanto:
Kanton Vaŝingtono, Majno
Estonian:
Washingtoni maakond , Maine, Ameerika Ühendriigid
Farsi/Persian:
شهرستان واشینگتن، مین, مین, ایالات متحده آمریکا
Georgian:
ვაშინგტონის ოლქი, მენის შტატი, ამერიკის შეერთებული შტატები
Hebrew:
וושינגטון , מיין, ארצות הברית
Hungarian:
Washington megye, Maine, Amerikai Egyesült Államok
Irish Gaelic:
Contae Washington, Maine, Stáit Aontaithe Mheiriceá
Japanese:
ワシントン郡, メイン州, アメリカ合衆国
Lithuanian:
Vašingtono apygarda, Meinas, Jungtinės Amerikos Valstijos
Low Saxon/Low German:
Washington County, Maine, USA
Min Dong Chinese:
Washington Gông, Maine
Minnan / Hokkien-Taiwanese:
Washington Kūn
Norwegian:
Washington County, Maine, USA
Polish:
Hrabstwo Washington, Maine, Stany Zjednoczone
Portuguese:
Condado de Washington, Maine, Estados Unidos
Romanian:
Comitatul Washington, Maine, Statele Unite ale Americii
Sardinian:
contea de Washington, Maine, Istados Unidos de Amèrica
Scottish Gaelic:
Washington County, Maine, Na Stàitean Aonaichte
Serbian:
Округ Вашингтон , Мејн, Сједињене Америчке Државе
Serbo-Croatian:
Washington County, Maine, Sjedinjene Američke Države
Swedish:
Washington County, Maine, USA
Traditional Chinese:
華盛頓縣, 緬因州, 美國
Turkish:
Washington, Maine, Amerika Birleşik Devletleri
Ukrainian:
Вашингтон, Мен, Сполучені Штати Америки
Urdu:
واشنگٹن کاؤنٹی، مینے, میئن, ریاستہائے متحدہ امریکا
Waray:
Condado han Washington, Maine, Estados Unidos
Western Punjabi:
واشنگٹن کاؤنٹی، مینے, مینے, امریکہ


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Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

65 valid minerals. 6 erroneous literature entries.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Acanthite ?
Formula: Ag2S
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Anatase
Formula: TiO2
ⓘ Anglesite
Formula: PbSO4
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Apophyllite Group'
Formula: AB4[Si8O22]X · 8H2O
Locality: Loring Cove, Perry, Washington County, Maine, USA - erroneously reported
ⓘ Aragonite
Formula: CaCO3
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Baryte
Formula: BaSO4
ⓘ Berlinite
Formula: AlPO4
Description: Found with cassiterite in an unspecified area "near Aurora" (Sid Williams, pers. Com., 1995). Specimen was a Phelps Dodge Company mineral exploration sample (more detailed location in their closed files).
ⓘ 'Bloodstone'
Formula: SiO2
ⓘ Bornite
Formula: Cu5FeS4
Description: Typical small masses of purple black iridescent bornite with brassy chalcopyrite in white quartz and green clinochlore.
ⓘ Brochantite ?
Formula: Cu4(SO4)(OH)6
ⓘ Calcite
Formula: CaCO3
Localities: Reported from at least 9 localities in this region.
ⓘ Cassiterite
Formula: SnO2
Description: Found with cassiterite in an unspecified area "near Aurora" (Sid Williams, pers. Com., 1995). Specimen was a Phelps Dodge Company mineral exploration sample (more detailed location in their closed files).
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chamosite
Formula: Fe2+5Al(AlSi3O)10(OH)8
ⓘ 'Chamosite-Clinochlore Series'
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Cuprite
Formula: Cu2O
ⓘ Datolite
Formula: CaB(SiO4)(OH)
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Edenite
Formula: NaCa2Mg5(Si7Al)O22(OH)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Feldspar Group'
ⓘ Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
ⓘ Fluorite
Formula: CaF2
ⓘ Forsterite
Formula: Mg2(SiO4)
ⓘ Galena
Formula: PbS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Hydrozincite
Formula: Zn5(CO3)2(OH)6
ⓘ 'Iddingsite'
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
ⓘ Lepidocrocite
Formula: Fe3+O(OH)
ⓘ 'Limonite'
ⓘ Linarite
Formula: PbCu(SO4)(OH)2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 6 localities in this region.
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ 'Manganese Oxides'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Molybdenite
Formula: MoS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Bismuth
Formula: Bi
ⓘ Native Copper ?
Formula: Cu
ⓘ Native Gold
Formula: Au
ⓘ Native Silver
Formula: Ag
Description: No specimens known or described.
ⓘ Natrolite ?
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Orthoclase
Formula: K(AlSi3O8)
Description: Old nomenclature
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Pumpellyite-(Mg)
Formula: Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
ⓘ Pyrite
Formula: FeS2
Localities: Reported from at least 10 localities in this region.
ⓘ Pyrolusite
Formula: Mn4+O2
Description: The identity of the sooty black material in the vein is unknown.
ⓘ Pyromorphite
Formula: Pb5(PO4)3Cl
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 14 localities in this region.
ⓘ Quartz var. Agate
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Carnelian
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Quartz var. Milky Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Rhodochrosite
Formula: MnCO3
Locality: Pembroke, Washington County, Maine, USA - erroneously reported
Description: No specimens known.
ⓘ Romanèchite
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Description: Localities which had psilomelane reported have been indiscriminately relabeled as romanèchite. As in this case, the original material was never analyzed and the listing appears erroneous.
ⓘ Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Siderite
Formula: FeCO3
ⓘ Smithsonite
Formula: ZnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Stilbite-Ca
Formula: NaCa4(Si27Al9)O72 · 28H2O
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Tenorite
Formula: CuO
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Wollastonite
Formula: Ca3(Si3O9)
ⓘ Wulfenite
Formula: Pb(MoO4)
Description: Occurs as very minute orange square crystals <<1 mm.
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper ?1.AA.05Cu
ⓘNative Gold1.AA.05Au
ⓘNative Silver ?1.AA.05Ag
ⓘNative Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘAcanthite ?2.BA.35Ag2S
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘCuprite4.AA.10Cu2O
ⓘTenorite4.AB.10CuO
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz
var. Agate		4.DA.05SiO2
ⓘvar. Amethyst4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘvar. Milky Quartz4.DA.05SiO2
ⓘvar. Carnelian4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘPyrolusite ?4.DB.05Mn4+O2
ⓘAnatase4.DD.05TiO2
ⓘRomanèchite ?4.DK.10(Ba,H2O)2(Mn4+,Mn3+)5O10
ⓘLepidocrocite4.FE.15Fe3+O(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘRhodochrosite ?5.AB.05MnCO3
ⓘSiderite5.AB.05FeCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAragonite5.AB.15CaCO3
ⓘCerussite5.AB.15PbCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘAurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
ⓘHydrozincite5.BA.15Zn5(CO3)2(OH)6
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘBaryte7.AD.35BaSO4
ⓘBrochantite ?7.BB.25Cu4(SO4)(OH)6
ⓘLinarite7.BC.65PbCu(SO4)(OH)2
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘWulfenite7.GA.05Pb(MoO4)
ⓘFerrimolybdite7.GB.30Fe2(MoO4)3 · nH2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘBerlinite8.AA.05AlPO4
ⓘPyromorphite8.BN.05Pb5(PO4)3Cl
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘDatolite9.AJ.20CaB(SiO4)(OH)
ⓘHemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘPumpellyite-(Mg)9.BG.20Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘEdenite9.DE.15NaCa2Mg5(Si7Al)O22(OH)2
ⓘWollastonite9.DG.05Ca3(Si3O9)
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘSaponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
ⓘChamosite9.EC.55Fe2+5Al(AlSi3O)10(OH)8
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘOrthoclase ?9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘNatrolite ?9.GA.05Na2Al2Si3O10 · 2H2O
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
ⓘStilbite-Ca9.GE.10NaCa4(Si27Al9)O72 · 28H2O
Unclassified
ⓘ'Apophyllite Group' ?-AB4[Si8O22]X · 8H2O
ⓘ'Feldspar Group'-
ⓘ'Limonite'-
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'Iddingsite'-
ⓘ'Bloodstone'-SiO2
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Chamosite-Clinochlore Series'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Manganese Oxides'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Hⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ BrochantiteCu4(SO4)(OH)6
Hⓘ ChamositeFe52+Al(AlSi3O)10(OH)8
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ DatoliteCaB(SiO4)(OH)
Hⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ FerrimolybditeFe2(MoO4)3 · nH2O
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Hⓘ HydrozinciteZn5(CO3)2(OH)6
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ LepidocrociteFe3+O(OH)
Hⓘ LinaritePbCu(SO4)(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
Hⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
Hⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Hⓘ Chamosite-Clinochlore Series
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bⓘ DatoliteCaB(SiO4)(OH)
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ HydrozinciteZn5(CO3)2(OH)6
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ RhodochrositeMnCO3
Cⓘ SideriteFeCO3
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ Quartz var. AgateSiO2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Quartz var. AmethystSiO2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ AnataseTiO2
Oⓘ AnglesitePbSO4
Oⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Oⓘ AragoniteCaCO3
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BaryteBaSO4
Oⓘ BerliniteAlPO4
Oⓘ BrochantiteCu4(SO4)(OH)6
Oⓘ CalciteCaCO3
Oⓘ CassiteriteSnO2
Oⓘ CerussitePbCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChamositeFe52+Al(AlSi3O)10(OH)8
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ CupriteCu2O
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ DatoliteCaB(SiO4)(OH)
Oⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FerrimolybditeFe2(MoO4)3 · nH2O
Oⓘ ForsteriteMg2(SiO4)
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Oⓘ HydrozinciteZn5(CO3)2(OH)6
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ LepidocrociteFe3+O(OH)
Oⓘ LinaritePbCu(SO4)(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
Oⓘ PyrolusiteMn4+O2
Oⓘ PyromorphitePb5(PO4)3Cl
Oⓘ QuartzSiO2
Oⓘ RhodochrositeMnCO3
Oⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
Oⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SideriteFeCO3
Oⓘ SmithsoniteZnCO3
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TenoriteCuO
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ WulfenitePb(MoO4)
Oⓘ WollastoniteCa3(Si3O9)
Oⓘ ZirconZr(SiO4)
Oⓘ Quartz var. Milky QuartzSiO2
Oⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Oⓘ BloodstoneSiO2
Oⓘ Fayalite-Forsterite Series
Oⓘ Chamosite-Clinochlore Series
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Quartz var. CarnelianSiO2
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ FluoriteCaF2
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Mgⓘ ForsteriteMg2(SiO4)
Mgⓘ Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
Mgⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Fayalite-Forsterite Series
Mgⓘ Chamosite-Clinochlore Series
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ BerliniteAlPO4
Alⓘ ChamositeFe52+Al(AlSi3O)10(OH)8
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
Alⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Alⓘ Chamosite-Clinochlore Series
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ Quartz var. AgateSiO2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Quartz var. AmethystSiO2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Apophyllite GroupAB4[Si8O22]X · 8H2O
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChamositeFe52+Al(AlSi3O)10(OH)8
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ DiopsideCaMgSi2O6
Siⓘ DatoliteCaB(SiO4)(OH)
Siⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ ForsteriteMg2(SiO4)
Siⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
Siⓘ QuartzSiO2
Siⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ WollastoniteCa3(Si3O9)
Siⓘ ZirconZr(SiO4)
Siⓘ Quartz var. Milky QuartzSiO2
Siⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Siⓘ BloodstoneSiO2
Siⓘ Fayalite-Forsterite Series
Siⓘ Chamosite-Clinochlore Series
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Quartz var. CarnelianSiO2
PPhosphorus
Pⓘ BerliniteAlPO4
Pⓘ PyromorphitePb5(PO4)3Cl
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ AnglesitePbSO4
Sⓘ ArsenopyriteFeAsS
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ BrochantiteCu4(SO4)(OH)6
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ LinaritePbCu(SO4)(OH)2
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ PyromorphitePb5(PO4)3Cl
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AragoniteCaCO3
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ DatoliteCaB(SiO4)(OH)
Caⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ Pumpellyite-(Mg)Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH)
Caⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ WollastoniteCa3(Si3O9)
Caⓘ Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ TitaniteCaTi(SiO4)O
MnManganese
Mnⓘ PyrolusiteMn4+O2
Mnⓘ RhodochrositeMnCO3
Mnⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChamositeFe52+Al(AlSi3O)10(OH)8
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ FerrimolybditeFe2(MoO4)3 · nH2O
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ LepidocrociteFe3+O(OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ SideriteFeCO3
Feⓘ Fayalite-Forsterite Series
Feⓘ Chamosite-Clinochlore Series
CuCopper
Cuⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ BrochantiteCu4(SO4)(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CupriteCu2O
Cuⓘ Native CopperCu
Cuⓘ LinaritePbCu(SO4)(OH)2
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ TenoriteCuO
ZnZinc
Znⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Znⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Znⓘ HydrozinciteZn5(CO3)2(OH)6
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
ZrZirconium
Zrⓘ ZirconZr(SiO4)
MoMolybdenum
Moⓘ FerrimolybditeFe2(MoO4)3 · nH2O
Moⓘ MolybdeniteMoS2
Moⓘ WulfenitePb(MoO4)
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ Native SilverAg
SnTin
Snⓘ CassiteriteSnO2
BaBarium
Baⓘ BaryteBaSO4
Baⓘ Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
Pbⓘ LinaritePbCu(SO4)(OH)2
Pbⓘ PyromorphitePb5(PO4)3Cl
Pbⓘ WulfenitePb(MoO4)
BiBismuth
Biⓘ Native BismuthBi

Fossils

There are 19 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences19
Youngest Fossil Listed0.01 Ma (Pleistocene)
Oldest Fossil Listed383 Ma (Late/Upper Devonian)
Stratigraphic Units
UnitNo. OccurrencesAge
Presumpscot50.126 - 0.0117 Ma (Pleistocene)
Champlain Clay80.126 - 0.0117 Ma (Pleistocene)
Horton - Horton Bluff4358.9 - 323.2 Ma (Paleozoic)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Cirripedia
subclass		Animalia : Arthropoda : Maxillopoda : Cirripedia0.126 - 0.0117 Ma
Pleistocene
Odobenus rosmarus
species		Animalia : Chordata : Mammalia : Carnivora : Odobenidae : Odobenus : Odobenus rosmarus0.126 - 0 Ma
Quaternary
Placopecten magellanicus
species		Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Placopecten : Placopecten magellanicus0.126 - 0.0117 Ma
Pleistocene
Portlandia glacialis
species		Animalia : Mollusca : Bivalvia : Nuculanida : Sareptidae : Portlandia : Portlandia glacialis0.126 - 0.0117 Ma
Pleistocene
Chlamys (Chlamys) islandica
species		Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Chlamys : Chlamys (Chlamys) islandica0.126 - 0.0117 Ma
Pleistocene
Mytilus edulis
species		Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus : Mytilus edulis0.126 - 0.0117 Ma
Pleistocene
Astarte montagui
species		Animalia : Mollusca : Bivalvia : Carditida : Astartidae : Astarte : Astarte montagui0.126 - 0.0117 Ma
Pleistocene
Colus stimpsoni
species		Animalia : Mollusca : Gastropoda : Neogastropoda : Buccinidae : Colus : Colus stimpsoni0.126 - 0.0117 Ma
Pleistocene
Hiatella (Hiatella) arctica
species		Animalia : Mollusca : Bivalvia : Hiatellida : Hiatellidae : Hiatella : Hiatella (Hiatella) arctica0.126 - 0.0117 Ma
Pleistocene
Macoma (Macoma) calcarea
species		Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Macoma : Macoma (Macoma) calcarea0.126 - 0.0117 Ma
Pleistocene
Clinocardium (Ciliatocardium) ciliatum
species		Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Ciliatocardium : Clinocardium (Ciliatocardium) ciliatum0.126 - 0.0117 Ma
Pleistocene
Macoma balthica
species		Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Macoma : Macoma balthica0.126 - 0.0117 Ma
Pleistocene
Zirfaea crispata
species		Animalia : Mollusca : Bivalvia : Pholadida : Pholadidae : Zirfaea : Zirfaea crispata0.126 - 0.0117 Ma
Pleistocene
Barinophyton
genus		Plantae : Zosterophyllophyta : Zosterophyllopsida : Barinophyton382.7 - 358.9 Ma
Late/Upper Devonian
Fossil LocalitiesClick to show 7 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Washington_County,_Maine
Wikidata ID:Q507256
GeoNames ID:4982182

Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate

This page 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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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