| Locality type: | Mine |
| Classification |
|---|
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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|
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Northshore Mine (Peter Mitchell Mine; Reserve Mine; Babbitt Mine), Babbitt, St. Louis County, Minnesota, USA |
| Data Identifiers |
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|
| Mindat Occurrence Record ID: | 827889 |
| Long-form Identifier: | 1:3:827889:0 |
| GUID (UUID V4): | d6f196ef-15cb-447e-9420-9ab25afcee60 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 5.1km (3.2 miles) | ⓘMesaba deposit (Minnamax deposit; Babbitt deposit; Babbitt Lake deposit; Amax Underground Mine), Ely-Hoyt Lakes Area, St. Louis County, Minnesota, USA |
| 12.8km (7.9 miles) | ⓘHibbingite occurrences, Lake County, Minnesota, USA |
| 13.5km (8.4 miles) | ⓘBirch Lake Deposit, Ely-Hoyt Lakes Area, St. Louis County, Minnesota, USA |
| 26.8km (16.6 miles) | ⓘSouth Filson Creek Prospect (Filson Creek), Ely-Hoyt Lakes Area, Lake County, Minnesota, USA |
| 27.1km (16.8 miles) | ⓘSpruce Road Prospect (Spruce Mine; INCO Prospect; INCO Mine; Ely Nickel Copper Deposit; Spruce Road Deposit), Ely-Hoyt Lakes Area, Lake County, Minnesota, USA |
| 28.3km (17.6 miles) | ⓘWater Hen Occurrence, St. Louis County, Minnesota, USA |
| 81.0km (50.3 miles) | ⓘVermilion River Mines, St. Louis County, Minnesota, USA |
| 81.2km (50.5 miles) | ⓘPoohbah Lake Alkalic Complex, Sturgeon Lake Area and Burt Lake Area, Rainy River District, Ontario, Canada |
| 84.3km (52.4 miles) | ⓘRove Slate Area Prospect Pits, Cook County, Minnesota, USA |
| 94.3km (58.6 miles) | ⓘGunflint Corridor West Occurrence, Gunflint Corridor, Cook County, Minnesota, USA |
| References |
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