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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Amblygonite from
Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK


Locality type:Quarry
Classification
Species:Amblygonite
Formula:LiAl(PO4)F
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Amblygonite data
Locality Data:Click here to view Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:13683
Long-form Identifier:1:3:13683:7
GUID (UUID V4):0
References
Kingsbury, Arthur W. G. (1964) Some minerals of special interest in South-West England . In Present Views of Some Aspects of the Geology of Cornwall and Devon. The Royal Geological Society of Cornwall. p.247-266.p.249
Moss, A. A., Fejer, E. E., Embrey, P. G. (1969) On the X-ray identification of amblygonite and montebrasite. Mineralogical Magazine, 37 (287) 414-422 doi:10.1180/minmag.1969.037.287.15
Embrey, Peter G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42 (322) 169-177 doi:10.1180/minmag.1978.042.322.01
Knorring, Oleg von, Condliffe, Eric (1984) On the occurrence of niobium-tantalum and other rare-element minerals in the Meldon aplite, Devonshire. Mineralogical Magazine, 48 (348) 443-448 doi:10.1180/minmag.1984.048.348.16
johnblanchard.net (2021) http://johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi
 
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