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Grunerite from
Berkshire Mine (Pioneer Mine; Hoppenyan exploration), Mount Whittlesey, Gogebic Range, Ashland County, Wisconsin, USA


Locality type:Mine
Classification
Species:Grunerite
Formula:◻Fe22+Fe52+(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Grunerite data
Locality Data:Click here to view Berkshire Mine (Pioneer Mine; Hoppenyan exploration), Mount Whittlesey, Gogebic Range, Ashland County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:139387
Long-form Identifier:1:3:139387:3
GUID (UUID V4):0
Nearest other occurrences of Grunerite
3.2km (2.0 miles) ⓘBallou Creek, Ashland County, Wisconsin, USA
14.0km (8.7 miles) ⓘMineral Lake lookout tower, Ashland County, Wisconsin, USA
95.9km (59.6 miles) ⓘEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA
References
Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
 
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