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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Dolomite from
Sir John Pitt, Bigrigg, Egremont, Copeland, Cumbria, England, UK


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Sir John Pitt, Bigrigg, Egremont, Copeland, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:15920
Long-form Identifier:1:3:15920:9
GUID (UUID V4):0
Nearest other occurrences of Dolomite
1.0km (0.6 miles) ⓘBigrigg Mine, Bigrigg, Egremont, Copeland, Cumbria, England, UK
2.6km (1.6 miles) ⓘCleator Moor Iron Mines, Cleator Moor, Copeland, Cumbria, England, UK
3.8km (2.4 miles) ⓘSandwith Mine, Whitehaven, Copeland, Cumbria, England, UK
3.9km (2.4 miles) ⓘFlorence Mine, Egremont, Copeland, Cumbria, England, UK
4.1km (2.5 miles) ⓘUllcoats Mine, Egremont, Copeland, Cumbria, England, UK
4.2km (2.6 miles) ⓘParkside Mine, Frizington, Arlecdon & Frizington, Copeland, Cumbria, England, UK
4.5km (2.8 miles) ⓘMowbray Mine, Frizington, Arlecdon & Frizington, Copeland, Cumbria, England, UK
4.8km (3.0 miles) ⓘFrizington, Arlecdon & Frizington, Copeland, Cumbria, England, UK
5.1km (3.2 miles) ⓘWinscales pit (Beckermet No. 2 shaft), Haile, Copeland, Cumbria, England, UK
5.3km (3.3 miles) ⓘLonsdale Mine, Frizington, Arlecdon & Frizington, Copeland, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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