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Knife River, St. Louis Co., Minnesota, USAi
Regional Level Types
Knife RiverRiver
St. Louis Co.County
MinnesotaState
USACountry

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Key
Latitude & Longitude (WGS84):
46° 56' 49'' North , 91° 47' 30'' West
Latitude & Longitude (decimal):
Locality type:


A river flowing into Lake Superior on Minnesota's north shore. Knife River shares its name with a small town. Collecting is done primarily on the banks near Knife River Park, a wayside rest off Highway 61. Prehnite specimens found here are some of the best from Minnesota.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana 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

11 valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Rocks & Minerals 81:136-140
Calcite
Formula: CaCO3
Reference: Rocks & Minerals 81:136-140
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Rocks & Minerals 81:136-140
Copper
Formula: Cu
Reference: Rocks & Minerals 81:136-140
Fluorite
Formula: CaF2
Reference: Dan R. Lynch Collection
Kinoite
Formula: Ca2Cu2(H2O)2[Si3O10]
Reference: Rocks & Minerals 81:136-140
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Rocks & Minerals 81:136-140
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Rocks & Minerals 81:136-140
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Rocks & Minerals 81:136-140
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Rocks & Minerals 81:136-140
Quartz
Formula: SiO2
Reference: Rocks & Minerals 81:136-140

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Kinoite9.BH.10Ca2Cu2(H2O)2[Si3O10]
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 57 - SOROSILICATES Si3O10 Groups and Larger Noncyclic Groups
Insular Si3O10 and Larger Noncyclic Groups with [Si3O10] groups
Kinoite57.1.2.1Ca2Cu2(H2O)2[Si3O10]
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H KinoiteCa2Cu2(H2O)2[Si3O10]
H LaumontiteCaAl2Si4O12 · 4H2O
H MalachiteCu2(CO3)(OH)2
H NatroliteNa2Al2Si3O10 · 2H2O
H PrehniteCa2Al2Si3O10(OH)2
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O AnalcimeNa(AlSi2O6) · H2O
O CalciteCaCO3
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O KinoiteCa2Cu2(H2O)2[Si3O10]
O LaumontiteCaAl2Si4O12 · 4H2O
O MalachiteCu2(CO3)(OH)2
O NatroliteNa2Al2Si3O10 · 2H2O
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
FFluorine
F FluoriteCaF2
NaSodium
Na AnalcimeNa(AlSi2O6) · H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al LaumontiteCaAl2Si4O12 · 4H2O
Al NatroliteNa2Al2Si3O10 · 2H2O
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si AnalcimeNa(AlSi2O6) · H2O
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si KinoiteCa2Cu2(H2O)2[Si3O10]
Si LaumontiteCaAl2Si4O12 · 4H2O
Si NatroliteNa2Al2Si3O10 · 2H2O
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
CaCalcium
Ca CalciteCaCO3
Ca KinoiteCa2Cu2(H2O)2[Si3O10]
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca FluoriteCaF2
CuCopper
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu CopperCu
Cu KinoiteCa2Cu2(H2O)2[Si3O10]
Cu MalachiteCu2(CO3)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hedtke, Mike (2006) Encrustation pseudomorphs of prehnite after laumontite from Saint Louis and Lake Counties, Minnesota. Rocks & Minerals: 81 (2): 136-140.

Localities in this Region


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