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Biotite from
Dolfin pegmatite, Republic, Republic Township, Marquette County, Michigan, USA


Locality type:Pegmatite
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 Dolfin pegmatite, Republic, Republic Township, Marquette County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:403119
Long-form Identifier:1:3:403119:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
5.1km (3.2 miles) ⓘRepublic Mine, Republic, Republic Township, Marquette County, Michigan, USA
5.7km (3.5 miles) ⓘRepublic, Republic Township, Marquette County, Michigan, USA
7.9km (4.9 miles) ⓘUnnamed pegmatite (2), M-95 roadcut, Humboldt Township, Marquette County, Michigan, USA
11.5km (7.2 miles) ⓘLake Michigamme (2), Michigamme, Marquette County, Michigan, USA
11.8km (7.4 miles) ⓘGrizzly pegmatite, Humboldt Township, Marquette County, Michigan, USA
12.6km (7.8 miles) ⓘM-95 roadcut, Humboldt, Humboldt Township, Marquette County, Michigan, USA
13.1km (8.1 miles) ⓘCrockley pegmatite, Humboldt Township, Marquette County, Michigan, USA
15.9km (9.9 miles) ⓘUnnamed outcrop, Humboldt Township, Marquette County, Michigan, USA
16.1km (10.0 miles) ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA
16.1km (10.0 miles) ⓘHumboldt Mine (Edwards Mine), Humboldt 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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