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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Manganite from
Roanhead Mine, Dalton Town with Newton, Barrow-in-Furness, Cumbria, England, UK


Locality type:Mine
Classification
Species:Manganite
Formula:Mn3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Manganite data
Locality Data:Click here to view Roanhead Mine, Dalton Town with Newton, Barrow-in-Furness, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:16871
Long-form Identifier:1:3:16871:1
GUID (UUID V4):0
Nearest other occurrences of Manganite
42.2km (26.2 miles) ⓘWyndham Mines, Bigrigg, Egremont, Copeland, Cumbria, England, UK
42.4km (26.3 miles) ⓘBigrigg Mine, Bigrigg, Egremont, Copeland, Cumbria, England, UK
46.1km (28.6 miles) ⓘForce Crag Mine, Coledale, Above Derwent, Allerdale, Cumbria, England, UK
55.5km (34.5 miles) ⓘBannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK
55.7km (34.6 miles) ⓘBannerdale, Mungrisdale, Eden, Cumbria, England, UK
57.8km (35.9 miles) ⓘBurdell Gill, Coombe Height, Caldbeck, Allerdale, Cumbria, England, UK
59.0km (36.7 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
59.0km (36.7 miles) ⓘThief Gills, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
61.3km (38.1 miles) ⓘLow Pike north slopes, Caldbeck, Allerdale, Cumbria, England, UK
93.7km (58.2 miles) ⓘKinharvie Burn, Dumfries and Galloway, Scotland, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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