Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Biotite from
Conifer Road, Campfire Lake, Kenora District, Ontario, Canada


Locality type:Road
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 Conifer Road, Campfire Lake, Kenora District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:614292
Long-form Identifier:1:3:614292:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
24.0km (14.9 miles) ⓘPegmatite #6, Treelined Lake Area, Kenora District, Ontario, Canada
24.4km (15.2 miles) ⓘSeparation Rapids Lithium Project (Separation Lake area), Kenora District, Ontario, Canada
32.8km (20.4 miles) ⓘBig Mack pegmatite, Paterson Lake Area, Kenora District, Ontario, Canada
65.3km (40.6 miles) ⓘDixie project, Red Lake area, Red Lake gold district, Kenora District, Ontario, Canada
65.9km (41.0 miles) ⓘMadsen Mine, Baird Township, Kenora District, Ontario, Canada
66.1km (41.0 miles) ⓘBee Lake occurrence, Tustin Township, Kenora District, Ontario, Canada
79.9km (49.7 miles) ⓘCampbell Mine (Placer Dome), Balmer Township, Kenora District, Ontario, Canada
80.8km (50.2 miles) ⓘBirse Lake Occurrence (Rose), Birse Lake, Lac-du-Bonnet area, Manitoba, Canada
80.9km (50.3 miles) ⓘGL 1 pegmatite, Greer Lake, Lac-du-Bonnet area, Manitoba, Canada
81.2km (50.5 miles) ⓘGrace claim, Greer Lake, Lac-du-Bonnet area, Manitoba, Canada
References
Černý, P., Selway, J.B., Ercit, T.S., Breaks, F.W., Anderson, A.J., Anderson, S.D. (1998) Graftonite – beusite in granitic pegmatites of the Superior Province: a study in contrasts. The Canadian Mineralogist: 36: 367-376.
 
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