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


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Habit:'nail head' crystals (Davidson & Thomson, 1951); massive (Dewey & Eastwood, 1925); scalenohedral moulds in quartz from the 90fm level dump may be pseudomorphs after calcite
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz3
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Roughton Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:15182
Long-form Identifier:1:3:15182:7
GUID (UUID V4):0
Nearest other occurrences of Calcite
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
0.4km (0.3 miles) Silver Gill, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.6km (0.4 miles) Clints Gill (Roughton South Vein), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.6km (0.4 miles) Higher Roughton Gill (Balliway Rigg), Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
0.8km (0.5 miles) Red Gill Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.3km (0.8 miles) Brae Fell Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
1.7km (1.1 miles) Hay Gill Copper Mine, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
2.1km (1.3 miles) Brandy Gill Mine, Mungrisdale, Eden, Cumbria, England, UK
2.1km (1.3 miles) Dry Gill Mine, Caldbeck, Allerdale, Cumbria, England, UK
References
 
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