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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Cassiterite from
Wheal Tremayne, Fraddam, Gwinear-Gwithian, Cornwall, England, UK


Locality type:Mine
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Wheal Tremayne, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:192076
Long-form Identifier:1:3:192076:5
GUID (UUID V4):0
Localities for Cassiterite in this Region
Wheal Providence, Wheal Tremayne, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
Nearest other occurrences of Cassiterite
0.4km (0.2 miles) ⓘWheal Providence, Wheal Tremayne, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
0.7km (0.5 miles) ⓘWheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
0.8km (0.5 miles) ⓘCarzise Consols, Leedstown, Crowan, Cornwall, England, UK
0.9km (0.5 miles) ⓘWest Wheal Providence, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
2.0km (1.3 miles) ⓘRelistian Mine (Relistien Mine; Relistian Consols), Reawla, Gwinear-Gwithian, Cornwall, England, UK
2.1km (1.3 miles) ⓘBinner Downs Mine, Leedstown, Crowan, Cornwall, England, UK
2.1km (1.3 miles) ⓘWheal Herland (Old Herland Mine; Manor Mine; North Wheal Herland), Rosewarne and Herland United Mines (Rosewarne and Herland Mine; incl. Wheal Fancy; Wheal Pleasure), Gwinear, Gwinear-Gwithian, Cornwall, England, UK
2.2km (1.4 miles) ⓘTreven Mine, St Erth, Cornwall, England, UK
2.3km (1.4 miles) ⓘAlfred Consols (East Wheal Alfred; Laity Hills Mine), Great Wheal Alfred (Alfred Consols), Hayle, Cornwall, England, UK
2.5km (1.5 miles) ⓘNorth Parbola Mine, Reawla, Gwinear-Gwithian, Cornwall, England, UK
References
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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