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Biotite from
Humboldt Mine (Edwards Mine), Humboldt Township, Marquette County, Michigan, USA


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Humboldt Mine (Edwards Mine), Humboldt Township, Marquette County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:405332
Long-form Identifier:1:3:405332:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.5km (0.3 miles) ⓘUnnamed outcrop, Humboldt Township, Marquette County, Michigan, USA
0.6km (0.4 miles) ⓘNew Humboldt Mine, Humboldt Township, Marquette County, Michigan, USA
3.7km (2.3 miles) ⓘCrockley pegmatite, Humboldt Township, Marquette County, Michigan, USA
3.7km (2.3 miles) ⓘM-95 roadcut, Humboldt, Humboldt Township, Marquette County, Michigan, USA
4.5km (2.8 miles) ⓘGrizzly pegmatite, Humboldt Township, Marquette County, Michigan, USA
7.4km (4.6 miles) ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA
8.4km (5.2 miles) ⓘUnnamed pegmatite (2), M-95 roadcut, Humboldt Township, Marquette County, Michigan, USA
10.5km (6.5 miles) ⓘRepublic, Republic Township, Marquette County, Michigan, USA
11.2km (6.9 miles) ⓘRepublic Mine, Republic, Republic Township, Marquette County, Michigan, USA
14.6km (9.1 miles) ⓘLake Michigamme (2), Michigamme, 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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