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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Bitumen from
North Wheal Crofty, Pool, Carn Brea, Cornwall, England, UK


Locality type:Mine
Classification
Species:Petroleum var: Bitumen
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bitumen data
Locality Data:Click here to view North Wheal Crofty, Pool, Carn Brea, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:548401
Long-form Identifier:1:3:548401:0
GUID (UUID V4):0
Nearest other occurrences of Bitumen
0.4km (0.2 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
0.7km (0.5 miles) ⓘCook's Kitchen Mine, Pool, Carn Brea, Cornwall, England, UK
1.0km (0.6 miles) ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK
5.7km (3.6 miles) ⓘTreskerby and Chance United Mine (incl. Treskerby Mine; Wheal Chance), Redruth, Cornwall, England, UK
6.3km (3.9 miles) ⓘTrevascus Mine (Trevaskus Mine; Trevaskis Mine), Carnhell Green, Gwinear-Gwithian, Cornwall, England, UK
6.4km (4.0 miles) ⓘWheal Damsel, Wheal Damsel United Mines, Carharrack, Cornwall, England, UK
6.9km (4.3 miles) ⓘSouth Wheal Towan, Porthtowan, St Agnes, Cornwall, England, UK
6.9km (4.3 miles) ⓘEast Wheal Damsel, Carharrack, Cornwall, England, UK
7.3km (4.5 miles) ⓘWheal Scorrier (Scorrier Consols), Skinners Bottom, St Agnes, Cornwall, England, UK
7.3km (4.5 miles) ⓘCarharrack Mine, Gwennap, Cornwall, England, UK
References
Henwood, William Jory (1843) On the Metalliferous Deposits of Cornwall and Devon. Transactions of the Royal Geological Society of Cornwall, 5. 1-386
Dines, H. G. (1956) The Metalliferous Mining Region of South-West England (1st ed.) Vol. 1. Geological Survey of Great Britain, London.pp.288-290
 
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