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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Aragonite from
Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK


Locality type:Mine
Classification
Species:Aragonite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Data Identifiers
Mindat Occurrence Record ID:1097
Long-form Identifier:1:3:1097:9
GUID (UUID V4):0
Nearest other occurrences of Aragonite
0.1km (0.0 miles) ⓘRoughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.4km (0.2 miles) ⓘIron Crag, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) ⓘBrandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
2.5km (1.6 miles) ⓘCarrock Mine, Mungrisdale, Eden, Cumbria, England, UK
3.1km (1.9 miles) ⓘLonglands Fell Mine, Ireby and Uldale, Allerdale, Cumbria, England, UK
3.1km (1.9 miles) ⓘPotts Gill Copper Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK
10.4km (6.5 miles) ⓘThrelkeld Quarry, St. John's Castlerigg and Wythburn, Allerdale, Cumbria, England, UK
11.1km (6.9 miles) ⓘParkhouse Quarry, Johnby, Greystoke, Eden, Cumbria, England, UK
15.1km (9.4 miles) ⓘStoneycroft Smelter slag locality, Above Derwent, Allerdale, Cumbria, England, UK
15.7km (9.7 miles) ⓘBrandlehow Mine, Catbells, Borrowdale, Allerdale, Cumbria, England, UK
References
Goodchild, J.G. (1884) Contributions towards a list of minerals occurring in Cumberland and Westmorland [part 2]. Transactions of the Cumberland Association for the Advancement of Literature and Science, 8. 189-204
Davidson, W.F. and Thomson, N. (1951) Some notes on the minerals of Westmorland and Cumberland. North West Naturalist, 23 (for 1948), 136-154.
Cooper, M. P., Stanley, C. J. (1990) Minerals of the English Lake District - Caldbeck Fells. The Natural History Museum, London.
Bridges, Trevor F., Green, David, Rumsey, Michael S., Leppington, C. Michael (2011) A review of the mineralisation of the Roughton Gill mines, Caldbeck Fells, Cumbria: Part 3 Roughton Gill Mine. Journal of the Russell Society, 14. 3-23
 
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