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
Shap Pink Quarry, Shap Rural, Eden, Cumbria, England, UK


Locality type:Quarry
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
Associated Minerals Based on Photo Data:
Molybdenite1
Pyrite1
Chlorite Group1
Epidote1
Quartz1
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Shap Pink Quarry, Shap Rural, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:72013
Long-form Identifier:1:3:72013:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
30.4km (18.9 miles) ⓘBannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK
32.8km (20.4 miles) ⓘWad Mine, Seathwaite, Borrowdale, Allerdale, Cumbria, England, UK
32.9km (20.4 miles) ⓘGrassgarth Height, Haverthwaite, South Lakeland, Cumbria, England, UK
34.0km (21.1 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
34.6km (21.5 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
42.5km (26.4 miles) ⓘSale Fell Minette, Wythop, Allerdale, Cumbria, England, UK
44.3km (27.5 miles) ⓘMecklin Wood, Wasdale, Copeland, Cumbria, England, UK
References
 
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