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


08482310017369869876643.jpg
Milarite, etc.

Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
08482310017369869876643.jpg
Milarite, etc.

Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
03650430017272038466613.jpg
Milarite, etc.

Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
Locality type:Quarry
Classification
Species:Milarite
Formula:K(◻H2O)Ca2(Be2Al)[Si12O30]
Comments:"Milarite" reported by A.W.G. Kingsbury may be considered doubtful, but milarite was later confirmed (Peter Edwards collection, analysis by Peter Tandy at NHM London, see https://www.mindat.org/mesg-618726.html).
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite1
Quartz1
Data
Mineral Data:Click here to view Milarite data
Locality Data:Click here to view Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK
Data Identifiers
Mindat Occurrence Record ID:13716
Long-form Identifier:1:3:13716:4
GUID (UUID V4):0
Nearest other occurrences of Milarite
36.3km (22.6 miles) ⓘCheesewring Quarry, Minions, Linkinhorne, Cornwall, England, UK
References
Kingsbury, A.W.G. (1964) Mineralogical Magazine 35, lvii.
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
www.mindat.org (n.d.) https://www.mindat.org/mesg-618726.html
 
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