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Washington County, Maine, USAi
Regional Level Types
Washington CountyCounty
MaineState
USACountry

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PhotosMapsSearch
02137060014964251202106.jpg
Pulpit Rock (1907 or earlier)

Robbinston, Washington County, Maine, USA
05367410014961241852970.jpg
Eastport coast (1921 or earlier)

Eastport, Washington County, Maine, USA
Type:
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):
301793ab-0d42-4553-8fa7-578d1cd10514
Other Languages:
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).
Bismuth
Formula: Bi
'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(Si,Al)4O10(OH,O)8
'Chamosite-Clinochlore Series'
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Copper ?
Formula: Cu
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'
References:
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Fluorite
Formula: CaF2
Forsterite
Formula: Mg2SiO4
Galena
Formula: PbS
Goethite
Formula: α-Fe3+O(OH)
Gold
Formula: Au
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'
Formula: MgO · Fe2O3 · 3SiO2 · 4H2O
'Jasper'
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Lepidocrocite
Formula: γ-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
Natrolite ?
Formula: Na2Al2Si3O10 · 2H2O
Orthoclase
Formula: K(AlSi3O8)
Description: Old nomenclature
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pumpellyite-(Mg)
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
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
Quartz var. Amethyst
Formula: SiO2
Quartz var. Carnelian
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
Silver
Formula: Ag
Description: No specimens known or described.
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
Gold1.AA.05Au
Silver ?1.AA.05Ag
Copper ?1.AA.05Cu
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.α-Fe3+O(OH)
Cuprite4.AA.10Cu2O
Tenorite4.AB.10CuO
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Quartz
var. Smoky Quartz
4.DA.05SiO2
4.DA.05SiO2
var. Milky Quartz4.DA.05SiO2
var. Chalcedony4.DA.05SiO2
var. Agate4.DA.05SiO2
var. Amethyst4.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.15γ-Fe3+O(OH)
Group 5 - Nitrates and Carbonates
Siderite5.AB.05FeCO3
Smithsonite5.AB.05ZnCO3
Rhodochrosite ?5.AB.05MnCO3
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Aragonite5.AB.15CaCO3
Cerussite5.AB.15PbCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Aurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Anglesite7.AD.35PbSO4
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.05Mg2SiO4
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(Si2O7)(SiO4)(OH)2 · H2O
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Diopside9.DA.15CaMgSi2O6
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
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.55(Fe2+)5Al(Si,Al)4O10(OH,O)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
'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
'Feldspar Group'-
'Limonite'-
'Apophyllite Group' ?-AB4[Si8O22]X · 8H2O
'Iddingsite'-MgO · Fe2O3 · 3SiO2 · 4H2O
'Bloodstone'-SiO2
'Fayalite-Forsterite Series'-
'Chamosite-Clinochlore Series'-
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Jasper'-
'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 Chamosite(Fe2+)5Al(Si,Al)4O10(OH,O)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 Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H HemimorphiteZn4Si2O7(OH)2 · H2O
H HydrozinciteZn5(CO3)2(OH)6
H LaumontiteCaAl2Si4O12 · 4H2O
H Lepidocrociteγ-Fe3+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(Si2O7)(SiO4)(OH)2 · H2O
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 IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
H Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
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 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 Chamosite(Fe2+)5Al(Si,Al)4O10(OH,O)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 ForsteriteMg2SiO4
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O HematiteFe2O3
O HemimorphiteZn4Si2O7(OH)2 · H2O
O HydrozinciteZn5(CO3)2(OH)6
O LaumontiteCaAl2Si4O12 · 4H2O
O Lepidocrociteγ-Fe3+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(Si2O7)(SiO4)(OH)2 · H2O
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 IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
O Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
O BloodstoneSiO2
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
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 ForsteriteMg2SiO4
Mg Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mg TalcMg3Si4O10(OH)2
Mg IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AnalcimeNa(AlSi2O6) · H2O
Al BerliniteAlPO4
Al Chamosite(Fe2+)5Al(Si,Al)4O10(OH,O)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(Si2O7)(SiO4)(OH)2 · H2O
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 Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
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 Chamosite(Fe2+)5Al(Si,Al)4O10(OH,O)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 ForsteriteMg2SiO4
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(Si2O7)(SiO4)(OH)2 · H2O
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 IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
Si Stilbite-CaNaCa4(Si27Al9)O72 · 28H2O
Si BloodstoneSiO2
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
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(Si2O7)(SiO4)(OH)2 · H2O
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 Chamosite(Fe2+)5Al(Si,Al)4O10(OH,O)8
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe FerrimolybditeFe2(MoO4)3 · nH2O
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe Lepidocrociteγ-Fe3+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 IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
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 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 SilverAg
SnTin
Sn CassiteriteSnO2
BaBarium
Ba BaryteBaSO4
Ba Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
AuGold
Au GoldAu
PbLead
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb GalenaPbS
Pb LinaritePbCu(SO4)(OH)2
Pb PyromorphitePb5(PO4)3Cl
Pb WulfenitePb(MoO4)
BiBismuth
Bi BismuthBi

Fossils

There are 7 fossil localities from the PaleoBioDB database within this region.

BETA TEST - 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 (Middle Devonian)
Stratigraphic Units
UnitNo. OccurrencesAge
Champlain Clay80.126 - 0.0117 Ma (Pleistocene)
Presumpscot50.126 - 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

Other Regions, Features and Areas that Intersect

North America
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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