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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Skagit County, Washington, USAi
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WashingtonState
USACountry

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00055640017272042696238.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
03533480017272042697756.jpg
Stilpnomelane Outcrop at Blanchard Hill

Blanchard Hill, Skagit County, Washington, USA
Type:
Largest Settlements:
PlacePopulation
Mount Vernon34,053 (2017)
Anacortes16,403 (2017)
Sedro-Woolley10,815 (2017)
Burlington8,633 (2017)
Big Lake1,835 (2011)
Clear Lake1,002 (2006)
Mindat Locality ID:
17475
Long-form identifier:
mindat:1:2:17475:1
GUID (UUID V4):
0
Other Languages:
French:
comté de Skagit, Washington, États-Unis
German:
Skagit County, Washington, Vereinigte Staaten
Italian:
contea di Skagit, Washington, Stati Uniti d'America
Russian:
Скаджит, Вашингтон, Соединённые Штаты Америки
Simplified Chinese:
斯卡吉特县, 华盛顿州, 美国
Spanish:
Condado de Skagit, Washington, Estados Unidos
Albanian:
Skagit County, Uashington, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة سكاغيت, واشنطن, الولايات المتحدة
Basque:
Skagit konderria , Washington
Bavarian:
Skagit County, Washington, Vaoanigte Stootn
Bishnupriya Manipuri:
স্কাগিট কাউন্টি, ৱাশিংটন, তিলপারাষ্ট্র
Bulgarian:
Скаджит, Вашингтон, Съединени американски щати
Cebuano:
Skagit County, Washington
Czech:
Skagit County, Washington, Spojené státy americké
Dutch:
Skagit County, Washington, Verenigde Staten
Esperanto:
Kantono Skagit, Vaŝingtonio
Farsi/Persian:
شهرستان اسکاگیت، واشینگتن, واشینگتن, ایالات متحده آمریکا
Georgian:
სკაჯიტის ოლქი, ვაშინგტონის შტატი, ამერიკის შეერთებული შტატები
Hebrew:
מחוז סקאגיט, וושינגטון, ארצות הברית
Hungarian:
Skagit megye, Washington, Amerikai Egyesült Államok
Japanese:
スカジット郡, ワシントン州, アメリカ合衆国
Korean:
스카짓 군, 워싱턴주, 미국
Low Saxon/Low German:
Skagit County, Washington, USA
Min Dong Chinese:
Skagit Gông, Washington
Minnan / Hokkien-Taiwanese:
Skagit Kūn
Norwegian:
Skagit County, Washington, USA
Polish:
Hrabstwo Skagit, Waszyngton, Stany Zjednoczone
Portuguese:
Condado de Skagit, Washington, Estados Unidos
Romanian:
Comitatul Skagit, Washington, Statele Unite ale Americii
Sardinian:
contea de Skagit, Washington, Istados Unidos de Amèrica
Serbian:
Skagit County, Вашингтон, Сједињене Америчке Државе
Serbo-Croatian:
Skagit County, Washington, Sjedinjene Američke Države
Swedish:
Skagit County, Washington, USA
Traditional Chinese:
斯卡吉特郡, 華盛頓州, 美國
Turkish:
Skagit İlçesi, Washington, Amerika Birleşik Devletleri
Ukrainian:
Скеджіт, Вашингтон, Сполучені Штати Америки
Urdu:
سکاجیٹ کاؤنٹی، واشنگٹن, ریاست واشنگٹن, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Skagit, Washington, Chủng Quốc Hoa Kỳ
Waray:
Condado han Skagit, Washington, Estados Unidos
Western Punjabi:
سکاگت کاؤنٹی, واشنگٹن, امریکہ


No description has been added for this locality. Can you add one?

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

73 valid minerals.

Rock Types Recorded


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
Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Habit: granular masses
Colour: bright green
Albite
Formula: Na(AlSi3O8)
'Almandine-Pyrope Series'
'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
Anglesite
Formula: PbSO4
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Ankerite var. Nickel-bearing Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Anthophyllite
Formula: ◻Mg2Mg5(Si8O22)(OH)2
Antigorite
Formula: Mg3(Si2O5)(OH)4
'Apatite'
Formula: Ca5(PO4)3A
'Apophyllite Group'
Formula: AB4[Si8O20]X · 8H2O
Description: constitutes up to 10% of the groundmass of the islands dunites
Arsenopyrite
Formula: FeAsS
'Axinite Group'
Description: in altered pillow basalts
Azurite
Formula: Cu3(CO3)2(OH)2
Bementite
Formula: Mn7Si6O15(OH)8
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Black Jade'
Bornite
Formula: Cu5FeS4
Brucite
Formula: Mg(OH)2
Calcite
Formula: CaCO3
Localities: Reported from at least 8 localities in this region.
Celestine
Formula: SrSO4
Habit: Massive veins; bladed crystaline aggregates
Colour: White to light blue
Description: Occurs in veins in a fault zone in dunite.
Cerussite
Formula: PbCO3
Chalcanthite
Formula: CuSO4 · 5H2O
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 16 localities in this region.
'Chlorite Group'
Chloritoid
Formula: Fe2+Al2O(SiO4)(OH)2
Habit: grains
Description: in amphibole gneiss
Chromite
Formula: Fe2+Cr3+2O4
Localities: Reported from at least 19 localities in this region.
'Chromite-Magnesiochromite Series'
References:
Pavel M. Kartashov - look https://www.mindat.org/mesg-821658.htmlIdentified by Pavel Kartashov: Inferred (explain how)
'Chrysolite'
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Cinnabar
Formula: HgS
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Clinochlore var. Chromium-bearing Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
Cristobalite
Formula: SiO2
Deerite
Formula: Fe2+6Fe3+3(Si6O17)O3(OH)5
Diopside
Formula: CaMgSi2O6
Dolomite
Formula: CaMg(CO3)2
Enstatite
Formula: Mg2Si2O6
'Fayalite-Forsterite Series'
Ferro-actinolite
Formula: ◻Ca2Fe2+5(Si8O22)(OH)2
'Ferro-actinolite-Tremolite Series'
'Ferro-barroisite'
Formula: ◻(CaNa)(Fe2+3Al2)(AlSi7O22)(OH)2
Galena
Formula: PbS
Localities: Reported from at least 19 localities in this region.
'Garnet Group'
Formula: X3Z2(SiO4)3
'Garnierite'
Glaucophane
Formula: ◻Na2(Mg3Al2)Si8O22(OH)2
Goethite
Formula: Fe3+O(OH)
Habit: radiating divergent sprays
Colour: golden brown
Description: Micro-sized, but can form in exquisite, attractive sprays. A common associate of Quartz at Walker Valley
Graphite
Formula: C
Grossular
Formula: Ca3Al2(SiO4)3
Hematite
Formula: Fe2O3
Hisingerite
Formula: Fe3+2(Si2O5)(OH)4 · 2H2O
Habit: amorphous
Colour: black, green, brown
Description: A common mineral at Walker Valley, found as linings and masses directly adjacent to the andesite. Often develops shrinkage cracks due to dehydration. Can also change color over time. Analysis methods included atomic absorbtion spectrophotometry.
'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
Description: Chromium Bearing
Hörnesite
Formula: Mg3(AsO4)2 · 8H2O
Jadeite
Formula: Na(Al,Fe3+)Si2O6
Kyanite
Formula: Al2(SiO4)O
'Limonite'
'Limonite var. Chromium-bearing Limonite'
Formula: (Fe,Cr)O(OH) · nH2O
Linarite
Formula: PbCu(SO4)(OH)2
Magnesite
Formula: MgCO3
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 8 localities in this region.
Malachite
Formula: Cu2(CO3)(OH)2
Marcasite
Formula: FeS2
Mimetite
Formula: Pb5(AsO4)3Cl
Molybdenite
Formula: MoS2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Native Copper
Formula: Cu
Native Gold
Formula: Au
Localities: Reported from at least 16 localities in this region.
Native Platinum ?
Formula: Pt
'Olivine Group'
Formula: M2SiO4
Localities: Reported from at least 6 localities in this region.
Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Opal
Formula: SiO2 · nH2O
Orpiment
Formula: As2S3
Pectolite
Formula: NaCa2Si3O8(OH)
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Description: May be from the altered latite in the area that is in contact with the altered peridotite.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pyrite
Formula: FeS2
Localities: Reported from at least 32 localities in this region.
Pyrite var. Bravoite
Formula: (Fe,Ni)S2
Habit: microscopic impurities
Description: in pyrite and marcasite
Pyrolusite
Formula: Mn4+O2
Pyrope
Formula: Mg3Al2(SiO4)3
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Localities: Reported from at least 31 localities in this region.
Quartz var. Agate
Formula: SiO2
Quartz var. Amethyst
Formula: SiO2
Habit: druzy, mostly showing terminal faces
Colour: pale to medium purple
Description: pale to medium amethyst lining geodes
Quartz var. Chalcedony
Formula: SiO2
Habit: cryptocrystalline
Colour: white, gray, blue
Description: "seam agate"
Quartz var. Sceptre Quartz
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Realgar
Formula: As4S4
Riebeckite
Formula: ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
Scheelite
Formula: Ca(WO4)
Sepiolite
Formula: Mg4(Si6O15)(OH)2 · 6H2O
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Localities: Reported from at least 16 localities in this region.
Siderite
Formula: FeCO3
Sillimanite
Formula: Al2(SiO4)O
Sphalerite
Formula: ZnS
Localities: Reported from at least 21 localities in this region.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Stilpnomelane
Formula: K4Fe2+48[Si64Al8]O164(OH)52 · nH2O
Strontianite
Formula: SrCO3
Talc
Formula: Mg3Si4O10(OH)2
Localities: Reported from at least 8 localities in this region.
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Xonotlite
Formula: Ca6(Si6O17)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Copper1.AA.05Cu
Native Gold1.AA.05Au
Native Platinum ?1.AF.10Pt
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Acanthite2.BA.35Ag2S
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Cinnabar2.CD.15aHgS
Molybdenite2.EA.30MoS2
Pyrite
var. Bravoite
2.EB.05a(Fe,Ni)S2
2.EB.05aFeS2
Marcasite2.EB.10aFeS2
Arsenopyrite2.EB.20FeAsS
Realgar2.FA.15aAs4S4
Orpiment2.FA.30As2S3
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
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. Sceptre Quartz4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Cristobalite4.DA.15SiO2
Pyrolusite4.DB.05Mn4+O2
Goethite4.FD.10Fe3+O(OH)
Brucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Magnesite5.AB.05MgCO3
Siderite5.AB.05FeCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Dolomite5.AB.10CaMg(CO3)2
Ankerite
var. Nickel-bearing Ankerite
5.AB.10Ca(Fe2+,Mg)(CO3)2
Cerussite5.AB.15PbCO3
Strontianite5.AB.15SrCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Celestine7.AD.35SrSO4
Linarite7.BC.65PbCu(SO4)(OH)2
Chalcanthite7.CB.20CuSO4 · 5H2O
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Mimetite8.BN.05Pb5(AsO4)3Cl
Hörnesite8.CE.40Mg3(AsO4)2 · 8H2O
Group 9 - Silicates
Chrysotile9.00.Mg3(Si2O5)(OH)4
Grossular9.AD.25Ca3Al2(SiO4)3
Pyrope9.AD.25Mg3Al2(SiO4)3
Sillimanite9.AF.05Al2(SiO4)O
Kyanite9.AF.15Al2(SiO4)O
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Chloritoid9.AF.85Fe2+Al2O(SiO4)(OH)2
Enstatite9.DA.05Mg2Si2O6
Diopside9.DA.15CaMgSi2O6
Omphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Jadeite9.DA.25Na(Al,Fe3+)Si2O6
Anthophyllite9.DD.05◻Mg2Mg5(Si8O22)(OH)2
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ferro-actinolite9.DE.10◻Ca2Fe2+5(Si8O22)(OH)2
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
'Ferro-barroisite'9.DE.20◻(CaNa)(Fe2+3Al2)(AlSi7O22)(OH)2
Glaucophane9.DE.25◻Na2(Mg3Al2)Si8O22(OH)2
Riebeckite9.DE.25◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
Pectolite9.DG.05NaCa2Si3O8(OH)
Xonotlite9.DG.35Ca6(Si6O17)(OH)2
Deerite9.DH.60Fe2+6Fe3+3(Si6O17)O3(OH)5
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var. Chromium-bearing Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
Hisingerite9.ED.10Fe3+2(Si2O5)(OH)4 · 2H2O
Antigorite9.ED.15Mg3(Si2O5)(OH)4
Bementite9.EE.05Mn7Si6O15(OH)8
Sepiolite9.EE.25Mg4(Si6O15)(OH)2 · 6H2O
Stilpnomelane9.EG.40K4Fe2+48[Si64Al8]O164(OH)52 · nH2O
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Amphibole Supergroup'-AB2C5(T8O22)W2
'Apophyllite Group'-AB4[Si8O20]X · 8H2O
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Limonite'-
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'Almandine-Pyrope Series'-
'Ferro-actinolite-Tremolite Series'-
'Fayalite-Forsterite Series'-
'Chromite-Magnesiochromite Series'-
'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
'Chrysolite'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Garnet Group'-X3Z2(SiO4)3
'Garnierite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4
'Limonite
var. Chromium-bearing Limonite'
-(Fe,Cr)O(OH) · nH2O
'Apatite'-Ca5(PO4)3A
'Axinite Group'-
'Olivine Group'-M2SiO4
'Black Jade'-

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
H AntigoriteMg3(Si2O5)(OH)4
H Apophyllite GroupAB4[Si8O20]X · 8H2O
H AzuriteCu3(CO3)2(OH)2
H BementiteMn7Si6O15(OH)8
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H BruciteMg(OH)2
H ChalcanthiteCuSO4 · 5H2O
H ChrysotileMg3(Si2O5)(OH)4
H ChloritoidFe2+Al2O(SiO4)(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H DeeriteFe62+Fe33+(Si6O17)O3(OH)5
H Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
H Ferro-barroisite◻(CaNa)(Fe32+Al2)(AlSi7O22)(OH)2
H Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
H GoethiteFe3+O(OH)
H HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
H HörnesiteMg3(AsO4)2 · 8H2O
H Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
H LinaritePbCu(SO4)(OH)2
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H OpalSiO2 · nH2O
H PectoliteNaCa2Si3O8(OH)
H PrehniteCa2Al2Si3O10(OH)2
H Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
H SepioliteMg4(Si6O15)(OH)2 · 6H2O
H StauroliteFe22+Al9Si4O23(OH)
H StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
H TalcMg3Si4O10(OH)2
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H XonotliteCa6(Si6O17)(OH)2
H Ferro-actinolite-Tremolite Series
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
H Limonite var. Chromium-bearing Limonite(Fe,Cr)O(OH) · nH2O
BBoron
B TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C CerussitePbCO3
C DolomiteCaMg(CO3)2
C GraphiteC
C MagnesiteMgCO3
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
C StrontianiteSrCO3
C Ankerite var. Nickel-bearing AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O Quartz var. AgateSiO2
O AlbiteNa(AlSi3O8)
O Quartz var. AmethystSiO2
O Amphibole SupergroupAB2C5(T8O22)W2
O AnglesitePbSO4
O AnkeriteCa(Fe2+,Mg)(CO3)2
O Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
O AntigoriteMg3(Si2O5)(OH)4
O Apophyllite GroupAB4[Si8O20]X · 8H2O
O AzuriteCu3(CO3)2(OH)2
O BementiteMn7Si6O15(OH)8
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BruciteMg(OH)2
O CalciteCaCO3
O CelestineSrSO4
O CerussitePbCO3
O ChalcanthiteCuSO4 · 5H2O
O Quartz var. ChalcedonySiO2
O ChrysotileMg3(Si2O5)(OH)4
O ChloritoidFe2+Al2O(SiO4)(OH)2
O ChromiteFe2+Cr23+O4
O ClinochloreMg5Al(AlSi3O10)(OH)8
O CristobaliteSiO2
O DeeriteFe62+Fe33+(Si6O17)O3(OH)5
O DiopsideCaMgSi2O6
O DolomiteCaMg(CO3)2
O EnstatiteMg2Si2O6
O Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
O Ferro-barroisite◻(CaNa)(Fe32+Al2)(AlSi7O22)(OH)2
O Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
O GoethiteFe3+O(OH)
O GrossularCa3Al2(SiO4)3
O HematiteFe2O3
O HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
O HörnesiteMg3(AsO4)2 · 8H2O
O JadeiteNa(Al,Fe3+)Si2O6
O Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
O KyaniteAl2(SiO4)O
O LinaritePbCu(SO4)(OH)2
O MagnesiteMgCO3
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MimetitePb5(AsO4)3Cl
O MuscoviteKAl2(AlSi3O10)(OH)2
O Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
O OpalSiO2 · nH2O
O PectoliteNaCa2Si3O8(OH)
O PrehniteCa2Al2Si3O10(OH)2
O PyrolusiteMn4+O2
O PyropeMg3Al2(SiO4)3
O QuartzSiO2
O Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
O ScheeliteCa(WO4)
O SepioliteMg4(Si6O15)(OH)2 · 6H2O
O SideriteFeCO3
O SillimaniteAl2(SiO4)O
O Quartz var. Smoky QuartzSiO2
O StauroliteFe22+Al9Si4O23(OH)
O StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
O StrontianiteSrCO3
O TalcMg3Si4O10(OH)2
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O XonotliteCa6(Si6O17)(OH)2
O Quartz var. Sceptre QuartzSiO2
O Almandine-Pyrope Series
O Ferro-actinolite-Tremolite Series
O Fayalite-Forsterite Series
O Chromite-Magnesiochromite Series
O Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Garnet GroupX3Z2(SiO4)3
O Serpentine SubgroupD3[Si2O5](OH)4
O Ankerite var. Nickel-bearing AnkeriteCa(Fe2+,Mg)(CO3)2
O Limonite var. Chromium-bearing Limonite(Fe,Cr)O(OH) · nH2O
O ApatiteCa5(PO4)3A
O Olivine GroupM2SiO4
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Ferro-barroisite◻(CaNa)(Fe32+Al2)(AlSi7O22)(OH)2
Na Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Na JadeiteNa(Al,Fe3+)Si2O6
Na Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Na PectoliteNaCa2Si3O8(OH)
Na Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Mg AntigoriteMg3(Si2O5)(OH)4
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg BruciteMg(OH)2
Mg ChrysotileMg3(Si2O5)(OH)4
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
Mg EnstatiteMg2Si2O6
Mg Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Mg HörnesiteMg3(AsO4)2 · 8H2O
Mg Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Mg MagnesiteMgCO3
Mg Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mg PyropeMg3Al2(SiO4)3
Mg SepioliteMg4(Si6O15)(OH)2 · 6H2O
Mg TalcMg3Si4O10(OH)2
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mg Almandine-Pyrope Series
Mg Ferro-actinolite-Tremolite Series
Mg Fayalite-Forsterite Series
Mg Chromite-Magnesiochromite Series
Mg Ankerite var. Nickel-bearing AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al ChloritoidFe2+Al2O(SiO4)(OH)2
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Ferro-barroisite◻(CaNa)(Fe32+Al2)(AlSi7O22)(OH)2
Al Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Al GrossularCa3Al2(SiO4)3
Al JadeiteNa(Al,Fe3+)Si2O6
Al Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Al KyaniteAl2(SiO4)O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Al PrehniteCa2Al2Si3O10(OH)2
Al PyropeMg3Al2(SiO4)3
Al SillimaniteAl2(SiO4)O
Al StauroliteFe22+Al9Si4O23(OH)
Al StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Al Almandine-Pyrope Series
Al Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si Quartz var. AgateSiO2
Si AlbiteNa(AlSi3O8)
Si Quartz var. AmethystSiO2
Si Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Si AntigoriteMg3(Si2O5)(OH)4
Si Apophyllite GroupAB4[Si8O20]X · 8H2O
Si BementiteMn7Si6O15(OH)8
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Quartz var. ChalcedonySiO2
Si ChrysotileMg3(Si2O5)(OH)4
Si ChloritoidFe2+Al2O(SiO4)(OH)2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si CristobaliteSiO2
Si DeeriteFe62+Fe33+(Si6O17)O3(OH)5
Si DiopsideCaMgSi2O6
Si EnstatiteMg2Si2O6
Si Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Si Ferro-barroisite◻(CaNa)(Fe32+Al2)(AlSi7O22)(OH)2
Si Glaucophane◻Na2(Mg3Al2)Si8O22(OH)2
Si GrossularCa3Al2(SiO4)3
Si HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
Si JadeiteNa(Al,Fe3+)Si2O6
Si Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Si KyaniteAl2(SiO4)O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Si OpalSiO2 · nH2O
Si PectoliteNaCa2Si3O8(OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si PyropeMg3Al2(SiO4)3
Si QuartzSiO2
Si Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Si SepioliteMg4(Si6O15)(OH)2 · 6H2O
Si SillimaniteAl2(SiO4)O
Si Quartz var. Smoky QuartzSiO2
Si StauroliteFe22+Al9Si4O23(OH)
Si StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Si TalcMg3Si4O10(OH)2
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si XonotliteCa6(Si6O17)(OH)2
Si Quartz var. Sceptre QuartzSiO2
Si Almandine-Pyrope Series
Si Ferro-actinolite-Tremolite Series
Si Fayalite-Forsterite Series
Si Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Garnet GroupX3Z2(SiO4)3
Si Serpentine SubgroupD3[Si2O5](OH)4
Si Olivine GroupM2SiO4
PPhosphorus
P ApatiteCa5(PO4)3A
SSulfur
S AcanthiteAg2S
S AnglesitePbSO4
S ArsenopyriteFeAsS
S BorniteCu5FeS4
S Pyrite var. Bravoite(Fe,Ni)S2
S CelestineSrSO4
S ChalcopyriteCuFeS2
S ChalcanthiteCuSO4 · 5H2O
S CinnabarHgS
S GalenaPbS
S LinaritePbCu(SO4)(OH)2
S MarcasiteFeS2
S MolybdeniteMoS2
S OrpimentAs2S3
S PyriteFeS2
S PyrrhotiteFe1-xS
S RealgarAs4S4
S SphaleriteZnS
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Cl MimetitePb5(AsO4)3Cl
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
Ca Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Ca Ferro-barroisite◻(CaNa)(Fe32+Al2)(AlSi7O22)(OH)2
Ca GrossularCa3Al2(SiO4)3
Ca Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Ca PectoliteNaCa2Si3O8(OH)
Ca PrehniteCa2Al2Si3O10(OH)2
Ca ScheeliteCa(WO4)
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca XonotliteCa6(Si6O17)(OH)2
Ca Ferro-actinolite-Tremolite Series
Ca Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca Ankerite var. Nickel-bearing AnkeriteCa(Fe2+,Mg)(CO3)2
Ca ApatiteCa5(PO4)3A
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Cr Chromite-Magnesiochromite Series
Cr Limonite var. Chromium-bearing Limonite(Fe,Cr)O(OH) · nH2O
MnManganese
Mn BementiteMn7Si6O15(OH)8
Mn PyrolusiteMn4+O2
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe BorniteCu5FeS4
Fe Pyrite var. Bravoite(Fe,Ni)S2
Fe ChalcopyriteCuFeS2
Fe ChloritoidFe2+Al2O(SiO4)(OH)2
Fe ChromiteFe2+Cr23+O4
Fe DeeriteFe62+Fe33+(Si6O17)O3(OH)5
Fe Ferro-actinolite◻Ca2Fe52+(Si8O22)(OH)2
Fe Ferro-barroisite◻(CaNa)(Fe32+Al2)(AlSi7O22)(OH)2
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
Fe JadeiteNa(Al,Fe3+)Si2O6
Fe MagnetiteFe2+Fe23+O4
Fe MarcasiteFeS2
Fe Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Fe SideriteFeCO3
Fe StauroliteFe22+Al9Si4O23(OH)
Fe StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Fe Almandine-Pyrope Series
Fe Ferro-actinolite-Tremolite Series
Fe Fayalite-Forsterite Series
Fe Chromite-Magnesiochromite Series
Fe Ankerite var. Nickel-bearing AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Limonite var. Chromium-bearing Limonite(Fe,Cr)O(OH) · nH2O
NiNickel
Ni Pyrite var. Bravoite(Fe,Ni)S2
CuCopper
Cu AzuriteCu3(CO3)2(OH)2
Cu BorniteCu5FeS4
Cu ChalcopyriteCuFeS2
Cu ChalcanthiteCuSO4 · 5H2O
Cu Native CopperCu
Cu LinaritePbCu(SO4)(OH)2
Cu MalachiteCu2(CO3)(OH)2
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As HörnesiteMg3(AsO4)2 · 8H2O
As MimetitePb5(AsO4)3Cl
As OrpimentAs2S3
As RealgarAs4S4
SrStrontium
Sr CelestineSrSO4
Sr StrontianiteSrCO3
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag AcanthiteAg2S
SbAntimony
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
WTungsten
W ScheeliteCa(WO4)
PtPlatinum
Pt Native PlatinumPt
AuGold
Au Native GoldAu
HgMercury
Hg CinnabarHgS
PbLead
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb GalenaPbS
Pb LinaritePbCu(SO4)(OH)2
Pb MimetitePb5(AsO4)3Cl

Fossils

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Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Skagit_County,_Washington
Wikidata ID:Q113892
GeoNames ID:5810608

Localities in this Region

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate
North America Plate
USA

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