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
East Kemptville Tin-Indium Project (East Kemptville Tin Mine), East Kemptville, Argyle, Yarmouth Co., Nova Scotia, Canada


Locality type:Project
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view East Kemptville Tin-Indium Project (East Kemptville Tin Mine), East Kemptville, Argyle, Yarmouth Co., Nova Scotia, Canada
Data Identifiers
Mindat Occurrence Record ID:42063
Long-form Identifier:1:3:42063:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
28.3km (17.6 miles) ⓘBrazil Lake pegmatite, Yarmouth Co., Nova Scotia, Canada
42.8km (26.6 miles) ⓘPlymouth, Yarmouth Co., Nova Scotia, Canada
47.6km (29.6 miles) ⓘChegoggin Point, Yarmouth Co., Nova Scotia, Canada
82.4km (51.2 miles) ⓘWestern Head beryl occurrence, Western Head, Queens Co., Nova Scotia, Canada
95.6km (59.4 miles) ⓘPigeonite occurrence, Cherry Hill, Lunenburg Co., Nova Scotia, Canada
References
Kontak, Daniel (1990) The East Kemptville topaz-muscovite leugranite, Nova Scotia I. Geological setting and whole-rock geochemistry. The Canadian Mineralogist, 28 (4) 787-825
Kontak, Daniel J., Ansdell, Kevin, Dostal, Jaroslav, Halter, Werner, Martin, Robert, Williams-Jones, Anthony E. (2001) The nature and origin of pegmatites in a fluorine-rich leucogranite, East Kemptville Tin Deposit, Nova Scotia, Canada. Transactions of the Royal Society of Edinburgh: Earth Sciences, 92 (2) 173-200 doi:10.1017/s0263593300000122
 
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