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
Banwell Hill, Banwell, North Somerset, England, UK


Locality type:Hill
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Banwell Hill, Banwell, North Somerset, England, UK
Data Identifiers
Mindat Occurrence Record ID:705372
Long-form Identifier:1:3:705372:6
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
17.5km (10.9 miles) ⓘHigher Pitts Mine, Priddy, Mendip, Somerset, England, UK
26.6km (16.6 miles) ⓘCoombe Farm Quarry, Henbury, Bristol, England, UK
33.7km (20.9 miles) ⓘTorr Works Quarry, Cranmore, Mendip, Somerset, England, UK
34.5km (21.4 miles) ⓘMachen quarry, Machen, Caerphilly, Wales, UK
36.4km (22.6 miles) ⓘColemans Quarry, Nunney, Mendip, Somerset, England, UK
48.0km (29.8 miles) ⓘKennisham Hill Mine, Luxborough, Somerset West and Taunton, Somerset, England, UK
48.1km (29.9 miles) ⓘMinehead Bluff, Selworthy Sands, Bossington, Somerset West and Taunton, Somerset, England, UK
61.2km (38.0 miles) ⓘDesolation Point, Countisbury, Lynton, North Devon, Devon, England, UK
71.8km (44.6 miles) ⓘWest Woody Bay, Woody Bay, Martinhoe, North Devon, Devon, England, UK
84.0km (52.2 miles) ⓘViveham Mine, East Down, North Devon, Devon, England, UK
References
Render, Paul (n.d.) Paul Render Collection.
 
and/or  
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