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Biotite from
Badwater greenstone, Dickinson County, Michigan, USA


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 Badwater greenstone, Dickinson County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:406252
Long-form Identifier:1:3:406252:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
12.2km (7.6 miles) ⓘFluorite railroad cut, Niagara, Marinette County, Wisconsin, USA
15.6km (9.7 miles) ⓘUnnamed Pegmatite quarry ("Groveland" pegmatite), Randville, Dickinson County, Michigan, USA
17.2km (10.7 miles) ⓘPeavey dam, Mastodon Township, Iron County, Michigan, USA
18.6km (11.6 miles) ⓘPayant-Chrissman prospect (Florence County prospect), Aurora, Florence County, Wisconsin, USA
21.2km (13.2 miles) ⓘRian Quarry, Felch, Dickinson County, Michigan, USA
29.6km (18.4 miles) ⓘWest Kiernan sill, Mansfield Township, Iron County, Michigan, USA
47.8km (29.7 miles) ⓘRogers Mine, Bates Township, Iron County, Michigan, USA
50.9km (31.6 miles) ⓘBack Forty Deposit, Menominee County, Michigan, USA
53.4km (33.2 miles) ⓘDolfin pegmatite, Republic, Republic Township, Marquette County, Michigan, USA
57.2km (35.5 miles) ⓘRepublic 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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