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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Pyrolusite from
Bigrigg Mine, Bigrigg, Egremont, Copeland, Cumbria, England, UK


Locality type:Mine
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Bigrigg Mine, Bigrigg, Egremont, Copeland, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:17291
Long-form Identifier:1:3:17291:8
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
0.2km (0.1 miles) ⓘWyndham Mines, Bigrigg, Egremont, Copeland, Cumbria, England, UK
2.8km (1.7 miles) ⓘCleator Moor Iron Mines, Cleator Moor, Copeland, Cumbria, England, UK
2.8km (1.8 miles) ⓘFlorence Mine, Egremont, Copeland, Cumbria, England, UK
8.5km (5.3 miles) ⓘKelton Quarry, Kirkland, Lamplugh, Copeland, Cumbria, England, UK
24.3km (15.1 miles) ⓘOre Gap, Borrowdale, Allerdale, Cumbria, England, UK
25.5km (15.9 miles) ⓘBrandlehow Mine, Catbells, Borrowdale, Allerdale, Cumbria, England, UK
36.1km (22.4 miles) ⓘBurdell Gill, Coombe Height, Caldbeck, Allerdale, Cumbria, England, UK
36.3km (22.5 miles) ⓘGreenside Mine, Patterdale, Eden, Cumbria, England, UK
36.4km (22.6 miles) ⓘThief Gills, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
36.4km (22.6 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
 
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