No. 21 shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USAi
| Regional Level Types | |
|---|---|
| No. 21 shaft | Mine |
| Calumet & Hecla Mine | Mine |
| Calumet | Village |
| Calumet Township | Township |
| Houghton County | County |
| Michigan | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
47° 13' 42'' North , 88° 27' 1'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Laurium | 1,941 (2017) | 1.1km |
| Calumet | 703 (2017) | 2.0km |
| Lake Linden | 989 (2017) | 5.0km |
| Hubbell | 946 (2017) | 6.3km |
| Copper City | 187 (2017) | 7.8km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Copper Country Rock and Mineral Club | Dollar Bay, Michigan | 13km |
Mindat Locality ID:
230135
Long-form identifier:
mindat:1:2:230135:1
GUID (UUID V4):
9f135659-ad85-4a7d-a381-c3f1c9d932c6
One of the Calumet and Hecla shafts.
Became well known for producing spectacular copper included agates. Other minerals from this locality include copper crystals and silver.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
10 valid minerals.
Detailed Mineral List:
| β Calcite Formula: CaCO3 |
| β Chalcopyrite Formula: CuFeS2 |
| β 'Chlorite Group' |
| β Copper Formula: Cu |
| β Datolite Formula: CaB(SiO4)(OH) |
| β Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| β 'K Feldspar' |
| β 'K Feldspar var. Adularia' Formula: KAlSi3O8 |
| β Marcasite Formula: FeS2 |
| β 'Pumpellyite Subgroup' Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A Description: Good crystals References: |
| β Pyrite Formula: FeS2 |
| β Quartz Formula: SiO2 |
| βͺ Quartz var. Agate Description: Copper included agates, |
| βͺ Quartz var. Chalcedony Formula: SiO2 Description: Copper included agates, |
| β Silver Formula: Ag |
| β Sphalerite Formula: ZnS |
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Copper | 1.AA.05 | Cu |
| β | Silver | 1.AA.05 | Ag |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Sphalerite | 2.CB.05a | ZnS |
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Pyrite | 2.EB.05a | FeS2 |
| β | Marcasite | 2.EB.10a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz var. Agate | 4.DA.05 | SiO2 |
| β | var. Chalcedony | 4.DA.05 | SiO2 |
| β | 4.DA.05 | SiO2 | |
| Group 5 - Nitrates and Carbonates | |||
| β | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| β | Datolite | 9.AJ.20 | CaB(SiO4)(OH) |
| β | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Unclassified | |||
| β | 'K Feldspar var. Adularia' | - | KAlSi3O8 |
| β | 'Chlorite Group' | - | |
| β | 'Pumpellyite Subgroup' | - | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| β | 'K Feldspar' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Datolite | CaB(SiO4)(OH) |
| H | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | β Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| B | Boron | |
| B | β Datolite | CaB(SiO4)(OH) |
| C | Carbon | |
| C | β Calcite | CaCO3 |
| O | Oxygen | |
| O | β K Feldspar var. Adularia | KAlSi3O8 |
| O | β Calcite | CaCO3 |
| O | β Quartz var. Chalcedony | SiO2 |
| O | β Datolite | CaB(SiO4)(OH) |
| O | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | β Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| O | β Quartz | SiO2 |
| Al | Aluminium | |
| Al | β K Feldspar var. Adularia | KAlSi3O8 |
| Al | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | β Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| Si | Silicon | |
| Si | β K Feldspar var. Adularia | KAlSi3O8 |
| Si | β Quartz var. Chalcedony | SiO2 |
| Si | β Datolite | CaB(SiO4)(OH) |
| Si | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | β Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| Si | β Quartz | SiO2 |
| S | Sulfur | |
| S | β Chalcopyrite | CuFeS2 |
| S | β Marcasite | FeS2 |
| S | β Pyrite | FeS2 |
| S | β Sphalerite | ZnS |
| K | Potassium | |
| K | β K Feldspar var. Adularia | KAlSi3O8 |
| Ca | Calcium | |
| Ca | β Calcite | CaCO3 |
| Ca | β Datolite | CaB(SiO4)(OH) |
| Ca | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | β Pumpellyite Subgroup | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| Fe | Iron | |
| Fe | β Chalcopyrite | CuFeS2 |
| Fe | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | β Marcasite | FeS2 |
| Fe | β Pyrite | FeS2 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Cu | β Copper | Cu |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
| Ag | Silver | |
| Ag | β Silver | Ag |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Mid-continent DomainDomain
USA
- Michigan
- Keweenaw PeninsulaPeninsula
- Midcontinent RiftGeologic Province
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
