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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Cacoxenite from
Greystone Quarry, Lezant, Cornwall, England, UK


Locality type:Quarry
Classification
Species:Cacoxenite
Formula:Fe243+AlO6(PO4)17(OH)12 · 75H2O
Comments:Thought to be of questionable provenance and to have been dumped at the quarry by collectors. There is no evidence of cacoxinite being found insitu at Greystone Quarry.

Ref: Famous British Mineral Localities: Greystone Quarry, Lezant, Cornwall. N Elton, D Green, J Hooper & S Weiss. UK Journal of Mines & Minerals No 24, 2004, pp 9-28
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Cacoxenite data
Locality Data:Click here to view Greystone Quarry, Lezant, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:2536
Long-form Identifier:1:3:2536:2
GUID (UUID V4):0
Nearest other occurrences of Cacoxenite
13.0km (8.1 miles) Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
13.0km (8.1 miles) Wheal Phoenix, Phoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
42.8km (26.6 miles) Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK
45.4km (28.2 miles) Castle-an-Dinas Mine, Castle-an-Dinas, St Columb Major, Cornwall, England, UK
53.3km (33.1 miles) Codden Hill Quarry, Bishop's Tawton, North Devon, Devon, England, UK
53.5km (33.3 miles) Downrew Quarry, Bishop's Tawton, North Devon, Devon, England, UK
70.1km (43.5 miles) Wheal Jane, Kea, Cornwall, England, UK
78.4km (48.7 miles) Wheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK
References
 
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