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Grunerite from
Unnamed locality (2), Humboldt Township, Marquette County, Michigan, USA


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 Unnamed locality (2), Humboldt Township, Marquette County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:415989
Long-form Identifier:1:3:415989:6
GUID (UUID V4):0
Nearest other occurrences of Grunerite
0.6km (0.4 miles) ⓘMount Humboldt, Humboldt Township, Marquette County, Michigan, USA
1.7km (1.1 miles) ⓘMichigan prospect, Ely Township, Marquette County, Michigan, USA
2.4km (1.5 miles) ⓘUnnamed outcrop (4), Humboldt Township, Marquette County, Michigan, USA
6.8km (4.2 miles) ⓘEast Mine, Champion, Champion Township, Marquette County, Michigan, USA
8.7km (5.4 miles) ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA
9.9km (6.2 miles) ⓘGreenwood Mine, Greenwood, Ely Township, Marquette County, Michigan, USA
12.0km (7.5 miles) ⓘM-95 bridge, Republic, Republic Township, Marquette County, Michigan, USA
12.3km (7.6 miles) ⓘRepublic Mine, Republic, Republic Township, Marquette County, Michigan, USA
13.8km (8.6 miles) ⓘFoster-Lothian area, Tilden Township, Marquette County, Michigan, USA
16.9km (10.5 miles) ⓘMagnetic Mine, Republic, Republic Township, Marquette County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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