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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Magnetite from
Grassgarth Height, Haverthwaite, South Lakeland, Cumbria, England, UK


Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Grassgarth Height, Haverthwaite, South Lakeland, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16754
Long-form Identifier:1:3:16754:5
GUID (UUID V4):0
Nearest other occurrences of Magnetite
17.4km (10.8 miles) ⓘBonser Mine, Coniston, South Lakeland, Cumbria, England, UK
17.4km (10.8 miles) ⓘConiston Copper Mines, Coniston, South Lakeland, Cumbria, England, UK
20.2km (12.5 miles) ⓘLong Crag Mine, Greenburn Valley, Coniston, South Lakeland, Cumbria, England, UK
30.9km (19.2 miles) ⓘMecklin Wood, Wasdale, Copeland, Cumbria, England, UK
32.3km (20.1 miles) ⓘWad Mine, Seathwaite, Borrowdale, Allerdale, Cumbria, England, UK
32.9km (20.4 miles) ⓘShap Pink Quarry, Shap Rural, Eden, Cumbria, England, UK
34.9km (21.7 miles) ⓘShap Blue Quarry, Shap Rural, Eden, Cumbria, England, UK
35.3km (21.9 miles) ⓘFleetwith Pike, Buttermere, Allerdale, Cumbria, England, UK
46.4km (28.8 miles) ⓘLanghorn Quarry, Bigrigg, Egremont, Copeland, Cumbria, England, UK
49.6km (30.8 miles) ⓘOverend Quarry, Whitehaven, Copeland, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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