Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Biotite from
Desmont Mine (Homer Yellowknife prospect), Monmouth Township, Highlands East Township, Haliburton County, Ontario, 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 Desmont Mine (Homer Yellowknife prospect), Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:1089754
Long-form Identifier:1:3:1089754:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.3km (0.8 miles) ⓘCudney occurrence, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada
1.5km (0.9 miles) ⓘWilberforce area, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada
1.7km (1.1 miles) ⓘGrace Lake - Burleigh Road roadcut, Dudley Township, Dysart et al, Haliburton County, Ontario, Canada
2.7km (1.7 miles) ⓘLiscombe Deposit, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
3.6km (2.3 miles) ⓘHighway 648 Ironside roadcut, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
4.3km (2.7 miles) ⓘCardiff Uranium Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
4.8km (3.0 miles) ⓘRichardson Mine (Fission Mine), Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
5.1km (3.2 miles) ⓘHalo Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
5.2km (3.2 miles) ⓘChondrodite roadcut occurrence, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
5.4km (3.4 miles) ⓘDwyer Fluorite Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada
References
www.geologyontario.mndm.gov.on.ca (n.d.) http://www.geologyontario.mndm.gov.on.ca/mndmfiles/mdi/data/records/MDI31E01SE00198.html
 
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