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Lake County, Minnesota, USAi
Regional Level Types
Lake CountyCounty
MinnesotaState
USACountry

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05305240017637673545111.jpg
Information panel.

Lake County, Minnesota, USA
03763590017660277707880.jpg
Overview

Lake County, Minnesota, USA
01802190017272275894599.jpg
Pit view

Section 30 Mine, Vermilion Range, Lake County, Minnesota, USA
00387740017592856361537.jpg
Information panel.

Lake County, Minnesota, USA
06096170017592856357798.jpg
Overview

Lake County, Minnesota, USA
03653470017272073709253.jpg
Pit view

Section 30 Mine, Vermilion Range, Lake County, Minnesota, USA
05305240017637673545111.jpg
Information panel.

Lake County, Minnesota, USA
03763590017660277707880.jpg
Overview

Lake County, Minnesota, USA
Neighbouring regions:
Rainy River District, Ontario, Canada
Saint Louis County, Minnesota, USA
Cook County, Minnesota, USA
Type:
County
Largest Settlements:
PlacePopulation
Two Harbors3,578 (2017)
Silver Bay1,813 (2017)
Finland195 (2017)
Beaver Bay174 (2017)
Winton172 (2017)
Mindat Locality ID:
45255
Long-form identifier:
mindat:1:2:45255:2
GUID (UUID V4):
0
Other Languages:
View 36 more...
French:
comté de Lake, Minnesota, États-Unis
German:
Lake County, Minnesota, Vereinigte Staaten
Italian:
contea di Lake, Minnesota, Stati Uniti d'America
Russian:
Лейк, Миннесота, Соединённые Штаты Америки
Simplified Chinese:
萊克縣 , 明尼蘇達州, 美国
Spanish:
Condado de Lake, Minesota, Estados Unidos
Albanian:
Lake County, Minnesota, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة ليك, مينيسوتا, الولايات المتحدة
Armenian:
Լեյք շրջան , Մինեսոտա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Lake konderria , Minnesota
Bavarian:
Lake County, Minnesota, Vaoanigte Stootn
Bishnupriya Manipuri:
লেক কাউন্টি, মিনেসোটা, তিলপারাষ্ট্র
Bulgarian:
Лейк, Минесота, Съединени американски щати
Cebuano:
Lake County, Minnesota
Danish:
Lake County, Minnesota, USA
Dutch:
Lake County, Minnesota, Verenigde Staten
Esperanto:
Kantono Lago, Minesoto
Farsi/Persian:
شهرستان لیک، مینه‌سوتا, مینه‌سوتا, ایالات متحده آمریکا
Georgian:
ლეიკის ოლქი, მინესოტა, ამერიკის შეერთებული შტატები
Hebrew:
מחוז לייק, מינסוטה, ארצות הברית
Hungarian:
Lake megye, Minnesota, Amerikai Egyesült Államok
Japanese:
レイク郡, ミネソタ州, アメリカ合衆国
Latin:
Lake Comitatus, Minnesota, Civitates Foederatae Americae
Low Saxon/Low German:
Lake County, Minnesota, USA
Min Dong Chinese:
Lake Gông, Minnesota
Minnan / Hokkien-Taiwanese:
Lake Kūn
Norwegian:
Lake County, Minnesota, USA
Polish:
Hrabstwo Lake, Minnesota, Stany Zjednoczone
Portuguese:
Condado de Lake, Minnesota, Estados Unidos
Romanian:
Comitatul Lake, Minnesota, Statele Unite ale Americii
Sardinian:
contea de Lake, Minnesota, Istados Unidos de Amèrica
Scottish Gaelic:
Lake County, Minnesota, Na Stàitean Aonaichte
Serbian:
Округ Лејк , Минесота, Сједињене Америчке Државе
Serbo-Croatian:
Lake County, Minnesota, Sjedinjene Američke Države
Swedish:
Lake County, Minnesota, USA
Traditional Chinese:
萊克縣, 明尼蘇達州, 美國
Turkish:
Lake, Minnesota, Amerika Birleşik Devletleri
Ukrainian:
Лейк, Міннесота, Сполучені Штати Америки
Urdu:
لیک کاؤنٹی، مینیسوٹا, مینیسوٹا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Lake, Minnesota, Chủng Quốc Hoa Kỳ
Waray:
Condado han Lake, Minnesota, Estados Unidos
Western Punjabi:
لیک کاؤنٹی، منسسوٹا, منی سوٹا, 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

51 valid minerals. 1 (TL) - type locality of 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:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Akaganeite
Formula: (Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Anorthite
Formula: Ca(Al2Si2O8)
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Braggite
Formula: PdPt3S4
ⓘ Calcite
Formula: CaCO3
Localities: Reported from at least 8 localities in this region.
ⓘ Celadonite ?
Formula: K(MgFe3+◻)(Si4O10)(OH)2
References:
Samuel Anderson CollectionIdentified by Samuel Anderson: Visual Identification
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
References:
Samuel Anderson CollectionIdentified by Samuel Anderson: Visual Identification
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Covellite
Formula: CuS
ⓘ Cubanite
Formula: CuFe2S3
ⓘ Datolite
Formula: CaB(SiO4)(OH)
References:
Samuel Anderson CollectionIdentified by Samuel Anderson: Visual Identification
ⓘ Digenite
Formula: Cu9S5
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Fayalite-Forsterite Series'
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Graphite
Formula: C
ⓘ Hematite
Formula: Fe2O3
ⓘ Hibbingite (TL)
Formula: Fe2+2(OH)3Cl
Type Locality:
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ 'Iddingsite'
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Isomertieite
Formula: Pd11Sb2As2
ⓘ 'K Feldspar'
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
ⓘ Mackinawite
Formula: FeS
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 8 localities in this region.
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ Millerite
Formula: NiS
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Copper
Formula: Cu
ⓘ Nickeline
Formula: NiAs
ⓘ 'Orthopyroxene Subgroup'
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
ⓘ Pigeonite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Localities: Reported from at least 6 localities in this region.
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
Localities: Reported from at least 7 localities in this region.
ⓘ 'Pumpellyite Subgroup'
Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 10 localities in this region.
ⓘ Quartz var. Agate
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
ⓘ Quartz var. Lake Superior Agate
Formula: SiO2
ⓘ Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ 'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
References:
Samuel Anderson CollectionIdentified by Samuel Anderson: Visual Identification
ⓘ Sperrylite
Formula: PtAs2
ⓘ Sphalerite
Formula: ZnS
ⓘ Spinel
Formula: MgAl2O4
ⓘ Stilpnomelane
Formula: K4Fe2+48[Si64Al8]O164(OH)52 · nH2O
ⓘ Stistaite
Formula: SnSb
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Talnakhite
Formula: Cu9(Fe,Ni)8S16
ⓘ Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
ⓘ 'Thomsonite Subgroup'
ⓘ Troilite
Formula: FeS
ⓘ Vincentite
Formula: Pd3As
ⓘ Volborthite ?
Formula: Cu3(V2O7)(OH)2 · 2H2O
References:
Samuel Anderson CollectionIdentification: Visual Identification

Gallery:

CaCO3ⓘ Calcite
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Calcite, etc.

Two Harbors, Lake County, Minnesota, USA
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Calcite

Highway 61 roadcuts, Illgen City, Lake County, Minnesota, USA
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Calcite, etc.

Two Harbors, Lake County, Minnesota, USA
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Calcite, etc.

Two Harbors, Lake County, Minnesota, USA
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Calcite

Highway 61 roadcuts, Illgen City, Lake County, Minnesota, USA
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Calcite, etc.

Two Harbors, Lake County, Minnesota, USA
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Calcite, etc.

Two Harbors, Lake County, Minnesota, USA
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Calcite

Highway 61 roadcuts, Illgen City, Lake County, Minnesota, USA
K(MgFe3+◻)(Si4O10)(OH)2ⓘ Celadonite ?
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Celadonite

Stewart River, Lake County, Minnesota, USA
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Celadonite

Stewart River, Lake County, Minnesota, USA
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Celadonite

Stewart River, Lake County, Minnesota, USA
CuFeS2ⓘ Chalcopyrite
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Chalcopyrite

Unspecified locality, Duluth Gabbro occurrence, Lake County, Minnesota, USA
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Chalcopyrite

Unspecified locality, Duluth Gabbro occurrence, Lake County, Minnesota, USA
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Chalcopyrite

Unspecified locality, Duluth Gabbro occurrence, Lake County, Minnesota, USA
CaB(SiO4)(OH)ⓘ Datolite
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Datolite

Two Harbors, Lake County, Minnesota, USA
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Datolite

Two Harbors, Lake County, Minnesota, USA
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Datolite

Two Harbors, Lake County, Minnesota, USA
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Datolite

Two Harbors, Lake County, Minnesota, USA
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Datolite

Two Harbors, Lake County, Minnesota, USA
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Datolite

Two Harbors, Lake County, Minnesota, USA
(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)ⓘ Epidote
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Epidote, etc.

Lake County, Minnesota, USA
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Epidote, etc.

Lake County, Minnesota, USA
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Epidote, etc.

Lake County, Minnesota, USA
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Epidote, etc.

Lake County, Minnesota, USA
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Epidote, etc.

Lake County, Minnesota, USA
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Epidote, etc.

Lake County, Minnesota, USA
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Epidote, etc.

Lake County, Minnesota, USA
trans.png
Epidote, etc.

Lake County, Minnesota, USA
Fe2+2(OH)3Clⓘ Hibbingite (TL)
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Hibbingite

Hibbingite occurrences, Lake County, Minnesota, USA
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Hibbingite

Hibbingite occurrences, Lake County, Minnesota, USA
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Hibbingite

Hibbingite occurrences, Lake County, Minnesota, USA
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Hibbingite

Hibbingite occurrences, Lake County, Minnesota, USA
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Hibbingite

Hibbingite occurrences, Lake County, Minnesota, USA
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Hibbingite

Hibbingite occurrences, Lake County, Minnesota, USA
CaAl2Si4O12 · 4H2Oⓘ Laumontite
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Laumontite

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
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Laumontite, etc.

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
trans.png
Laumontite, etc.

Two Harbors, Lake County, Minnesota, USA
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Laumontite

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
trans.png
Laumontite, etc.

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
trans.png
Laumontite, etc.

Two Harbors, Lake County, Minnesota, USA
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Laumontite

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
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Laumontite, etc.

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
Ca2Al2Si3O10(OH)2ⓘ Prehnite
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Prehnite

Knife River, Lake County, Minnesota, USA
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Prehnite

Knife River, Lake County, Minnesota, USA
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Prehnite

Knife River, Lake County, Minnesota, USA
SiO2ⓘ Quartz
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Quartz, etc.

Section 30 Mine, Vermilion Range, Lake County, Minnesota, USA
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Quartz, etc.

Section 30 Mine, Vermilion Range, Lake County, Minnesota, USA
trans.png
Quartz, etc.

Section 30 Mine, Vermilion Range, Lake County, Minnesota, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘStistaite2.AA.45SnSb
ⓘVincentite2.AC.05bPd3As
ⓘIsomertieite2.AC.15aPd11Sb2As2
ⓘChalcocite2.BA.05Cu2S
ⓘDigenite2.BA.10Cu9S5
ⓘBornite2.BA.15Cu5FeS4
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘTalnakhite2.CB.10bCu9(Fe,Ni)8S16
ⓘCubanite2.CB.55aCuFe2S3
ⓘNickeline2.CC.05NiAs
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘTroilite2.CC.10FeS
ⓘMillerite2.CC.20NiS
ⓘMackinawite2.CC.25FeS
ⓘBraggite2.CC.35aPdPt3S4
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘSperrylite2.EB.05aPtAs2
Group 3 - Halides
ⓘHibbingite (TL)3.DA.10aFe2+2(OH)3Cl
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite
var. Titanium-bearing Magnetite		4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz
var. Agate		4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Lake Superior Agate4.DA.05SiO2
ⓘAkaganeite4.DK.05(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘVolborthite ?8.FD.05Cu3(V2O7)(OH)2 · 2H2O
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘDatolite9.AJ.20CaB(SiO4)(OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘPigeonite9.DA.10(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘCeladonite ?9.EC.15K(MgFe3+◻)(Si4O10)(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
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘStilpnomelane9.EG.40K4Fe2+48[Si64Al8]O164(OH)52 · nH2O
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
ⓘThomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Pumpellyite Subgroup'-Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
ⓘ'Iddingsite'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Thomsonite Subgroup'-
ⓘ'Apatite'-Ca5(PO4)3A

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ DatoliteCaB(SiO4)(OH)
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ GoethiteFe3+O(OH)
Hⓘ HibbingiteFe22+(OH)3Cl
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Hⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Hⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Hⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
BBoron
Bⓘ DatoliteCaB(SiO4)(OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ GraphiteC
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Quartz var. AgateSiO2
Oⓘ Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ DatoliteCaB(SiO4)(OH)
Oⓘ EnstatiteMg2Si2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GoethiteFe3+O(OH)
Oⓘ HematiteFe2O3
Oⓘ HibbingiteFe22+(OH)3Cl
Oⓘ IlmeniteFe2+TiO3
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Oⓘ QuartzSiO2
Oⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Oⓘ SpinelMgAl2O4
Oⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
Oⓘ Fayalite-Forsterite Series
Oⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Quartz var. Lake Superior AgateSiO2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ ApatiteCa5(PO4)3A
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mgⓘ SpinelMgAl2O4
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Alⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Alⓘ SpinelMgAl2O4
Alⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Alⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
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ⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ DatoliteCaB(SiO4)(OH)
Siⓘ EnstatiteMg2Si2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Siⓘ QuartzSiO2
Siⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Siⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Siⓘ Fayalite-Forsterite Series
Siⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Quartz var. Lake Superior AgateSiO2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
PPhosphorus
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ BraggitePdPt3S4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ CubaniteCuFe2S3
Sⓘ DigeniteCu9S5
Sⓘ GalenaPbS
Sⓘ MackinawiteFeS
Sⓘ MilleriteNiS
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ TalnakhiteCu9(Fe,Ni)8S16
Sⓘ TroiliteFeS
ClChlorine
Clⓘ Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
Clⓘ HibbingiteFe22+(OH)3Cl
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)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ⓘ AnorthiteCa(Al2Si2O8)
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ DatoliteCaB(SiO4)(OH)
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Caⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Caⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Caⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
VVanadium
Vⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ CeladoniteK(MgFe3+◻)(Si4O10)(OH)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ CubaniteCuFe2S3
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ HibbingiteFe22+(OH)3Cl
Feⓘ IlmeniteFe2+TiO3
Feⓘ MackinawiteFeS
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Feⓘ StilpnomelaneK4Fe482+[Si64Al8]O164(OH)52 · nH2O
Feⓘ TalnakhiteCu9(Fe,Ni)8S16
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ TroiliteFeS
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ Akaganeite(Fe3+,Ni2+)8(OH,O)16Cl1.25 · nH2O
Niⓘ MilleriteNiS
Niⓘ NickelineNiAs
Niⓘ Pentlandite(NixFey)Σ9S8
Niⓘ TalnakhiteCu9(Fe,Ni)8S16
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ CovelliteCuS
Cuⓘ CubaniteCuFe2S3
Cuⓘ Native CopperCu
Cuⓘ DigeniteCu9S5
Cuⓘ TalnakhiteCu9(Fe,Ni)8S16
Cuⓘ VolborthiteCu3(V2O7)(OH)2 · 2H2O
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ IsomertieitePd11Sb2As2
Asⓘ NickelineNiAs
Asⓘ SperrylitePtAs2
Asⓘ VincentitePd3As
PdPalladium
Pdⓘ BraggitePdPt3S4
Pdⓘ IsomertieitePd11Sb2As2
Pdⓘ VincentitePd3As
SnTin
Snⓘ StistaiteSnSb
SbAntimony
Sbⓘ IsomertieitePd11Sb2As2
Sbⓘ StistaiteSnSb
PtPlatinum
Ptⓘ BraggitePdPt3S4
Ptⓘ SperrylitePtAs2
PbLead
Pbⓘ GalenaPbS

Fossils

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Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Lake_County,_Minnesota
Wikidata ID:Q491178
GeoNames ID:5033738

Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate
USA

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.

References

Green, John C. (1996) Geology on Display - Geology and Scenery of Minnesota's North Shore's state parks: Minnesota Department of Natural Resources, 70 p.
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