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Iron City Mine (Empire Mine), Mosquito Mining District, Copper Harbor, Keweenaw Co., Michigan, USAi
Regional Level Types
Iron City Mine (Empire Mine)Mine
Mosquito Mining DistrictMining District
Copper Harbor- not defined -
Keweenaw Co.County
MichiganState
USACountry

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Key
Latitude & Longitude (WGS84):
47° North , 87° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~2km
Locality type:


Little is known of the mining company that mined at this locality. What is known is that this mine produces some of the most colorful datolite on the Keweenaw Peninsula, including reds, oranges, and transluscent. One word of caution; DO NOT drive through the open gate on the main highway!!! It can be locked behind you with no other way to get out. It is best to park at the roadside park across the highway and walk the two or so miles to the minesite. With a little patience, it can be well worth the walk!!

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: R&M 78:3 p179; Rocks & Minerals 84:298-323.; Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227
Copper
Formula: Cu
Reference: R&M 78:3 p179; Rocks & Minerals 84:298-323.; Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227
Datolite
Formula: CaB(SiO4)(OH)
Reference: R&M 78:3 p179; Rocks & Minerals 84:298-323.; Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Rocks & Minerals 84:298-323.
Pumpellyite-(Mg)
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Reference: Personally collected by Paul Brandes in 2013
Pumpellyite-(Mg) var:
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Reference: Personally collected by Paul Brandes in 2013
Quartz
Formula: SiO2
Reference: R&M 78:3 p179

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
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
Datolite9.AJ.20CaB(SiO4)(OH)
Pumpellyite-(Mg)9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
var: Chlorastrolite9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O

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 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 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Pumpellyite-(Mg)58.2.2.7Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Pumpellyite-(Mg)
var: Chlorastrolite
-Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O

List of minerals for each chemical element

HHydrogen
H DatoliteCaB(SiO4)(OH)
H MalachiteCu2(CO3)(OH)2
H Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
H Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O DatoliteCaB(SiO4)(OH)
O CalciteCaCO3
O QuartzSiO2
O MalachiteCu2(CO3)(OH)2
O Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
O Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
MgMagnesium
Mg Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Mg Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
AlAluminium
Al Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Al Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
SiSilicon
Si DatoliteCaB(SiO4)(OH)
Si QuartzSiO2
Si Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Si Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
CaCalcium
Ca DatoliteCaB(SiO4)(OH)
Ca CalciteCaCO3
Ca Pumpellyite-(Mg) (var: Chlorastrolite)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Ca Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
CuCopper
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rocks & Minerals (2003): 78(3): 179.
Rocks & Minerals (2009): 84: 298-323.
Rosemeyer, T. (2011), New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86: 205-227.

Other Regions, Features and Areas containing this locality

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.
 
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