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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Chalcopyrite from
Brundholme Mine (Glenderaterra Mine; Blencathra Mine), Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Langite1
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Brundholme Mine (Glenderaterra Mine; Blencathra Mine), Glenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:15415
Long-form Identifier:1:3:15415:2
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.7km (0.4 miles) ⓘGlenderaterra Valley, Threlkeld, Eden, Cumbria, England, UK
4.7km (2.9 miles) ⓘBannerdale Graphite Mine, Bannerdale, Mungrisdale, Eden, Cumbria, England, UK
5.4km (3.3 miles) ⓘWanthwaite Mine, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
5.6km (3.5 miles) ⓘBramcrag Quarry, St John's in the Vale, Threlkeld, Eden, Cumbria, England, UK
6.0km (3.7 miles) ⓘSandbeds Gill Mine, Bassenthwaite, Allerdale, Cumbria, England, UK
6.4km (3.9 miles) ⓘGrains Gill, Mungrisdale, Eden, Cumbria, England, UK
6.5km (4.0 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
6.7km (4.1 miles) ⓘHigher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
6.9km (4.3 miles) ⓘSilver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
7.1km (4.4 miles) ⓘIron Crag, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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