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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Specularite from
Dolcoath Mine, Camborne, Cornwall, England, UK


Locality type:Mine
Classification
Species:Hematite var: Specularite
Formula:Fe2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Specularite data
Locality Data:Click here to view Dolcoath Mine, Camborne, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:785199
Long-form Identifier:1:3:785199:5
GUID (UUID V4):0
Nearest other occurrences of Specularite
0.7km (0.4 miles) ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK
0.9km (0.5 miles) ⓘTincroft Mine, Pool, Carn Brea, Cornwall, England, UK
1.7km (1.1 miles) ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
2.4km (1.5 miles) ⓘWheal Druid, Carn Brea Mine, Pool, Carn Brea, Cornwall, England, UK
6.1km (3.8 miles) ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK
8.1km (5.1 miles) ⓘBassett & Grylls Mine (Porkellis Mine; Porkellis Tin Mines; Wheal Jantar; Balwath Mine), Porkellis, Wendron, Cornwall, England, UK
9.2km (5.7 miles) ⓘWheal Roots (Poldark Mine), Trenear, Wendron, Cornwall, England, UK
14.5km (9.0 miles) ⓘKnill Quarry, St Ives, Cornwall, England, UK
17.0km (10.6 miles) ⓘLigger Bay (Perran Bay), Perranporth, Perranzabuloe, Cornwall, England, UK
19.1km (11.9 miles) ⓘWilliams Stone Quarry (Trevassack Quarry), Goonhilly Downs, Mawgan-in-Meneage, Cornwall, England, UK
References
Royal Cornwall Polytechnic Society (1870): 38. Annual Report, pp. 30-31
 
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