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
Copper Mountain Mine, Copper Mountain, Princeton, Similkameen Mining Division, British Columbia, Canada


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 Copper Mountain Mine, Copper Mountain, Princeton, Similkameen Mining Division, British Columbia, Canada
Data Identifiers
Mindat Occurrence Record ID:623408
Long-form Identifier:1:3:623408:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
30.9km (19.2 miles) ⓘMission prospect, Hedley, Osoyoos Mining Division, British Columbia, Canada
34.3km (21.3 miles) ⓘAxe Cu-Au deposit (Adonis), Princeton, Similkameen Mining Division, British Columbia, Canada
37.8km (23.5 miles) ⓘNickel Plate Mine, Hedley, Osoyoos Mining Division, British Columbia, Canada
38.6km (24.0 miles) ⓘOregon Mine (French Mine), Hedley, Osoyoos Mining Division, British Columbia, Canada
39.3km (24.4 miles) ⓘGood Hope Mine, Hedley, Osoyoos Mining Division, British Columbia, Canada
39.3km (24.4 miles) ⓘA.M. breccia, Giant Copper deposit, New Westminster Mining Division, British Columbia, Canada
39.3km (24.4 miles) ⓘGiant Copper deposit, New Westminster Mining Division, British Columbia, Canada
40.2km (25.0 miles) ⓘCanty mine, Hedley, Osoyoos Mining Division, British Columbia, Canada
40.4km (25.1 miles) ⓘRainbow prospect, Sumallo River, New Westminster Mining Division, British Columbia, Canada
45.6km (28.3 miles) ⓘCrystal Peak (Mount Riordan) garnet deposit, Apex Mountain, Osoyoos Mining Division, British Columbia, Canada
References
Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155
 
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