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Rashleighite

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Formula:
Cu(Al,Fe)
 
6
(PO
 
4
)
 
4
(OH)
 
8
· 5H
 
2
O
A variety of Turquoise

Turquoise Group. A ferrian Turquoise variety, intermediate on the Chalcosiderite-Turquoise Series.

Originally reported from Bunny Mine (Bonny Mine; St Austell Hills Mine; Shelton Mine), Bugle, Hensbarrow Downs, Luxulyan Area (Luxulian Area), St Austell District, Cornwall, England, UK and Castle-an-Dinas Mine, St Columb Major, Belowda Area, St Austell District, Cornwall, England, UK.

Classification of Rashleighite

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Chemical Properties of Rashleighite

Formula:
Cu(Al,Fe)
 
6
(PO
 
4
)
 
4
(OH)
 
8
· 5H
 
2
O
Simplified for copy/paste:Cu(Al,Fe)6(PO4)4(OH)8·5H2O
Essential elements:Al, Cu, H, O, P
All elements listed in formula:Al, Cu, Fe, H, O, P

Other Names for Rashleighite

Synonyms:
Ferrian TurquoiseFerri-turquoisHenwoodite
Other Languages:
German:Eisentürkis
Rashleighit
Spanish:Rashleighita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Rashleighite

Reference List:

- +
Fairbanks (1942) The Mineralogist, Portland, Oregon: 10: 44 (as ferri-turquois).

Russell (1948) Mineralogical Magazine: 28: 353.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 947.

Internet Links for Rashleighite

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  • Specimens:The following Rashleighite specimens are currently listed for sale on minfind.com.

    Localities for Rashleighite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • New South Wales
      • Kennedy Co.
        • Northparkes Mine (Goonumbla Mine; Endeavour Mine)
    Uwe Kolitsch XRD analyses (to be published)
    Germany
     
    • Hesse
      • Wetzlar
        • Weilburg
          • Essershausen
    P Kohorst collection
    Portugal
     
    • Évora District
      • Vila Viçosa
        • Conceição
    UK
     
    • England
      • Cornwall
        • Liskeard District
          • Linkinhorne
            • Minions
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 951.
    Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, pp. 591-594
    Rudler, F.W. (1905): A Handbook to a Collection of the Minerals of the British Islands, Mostly Selected from the Ludlam Collection. HMSO Publications (London), 241 pp.
        • St Austell District
          • St Columb Major
            • Castle-an-Dinas
    Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
          • Treverbyn
            • Stenalees
    Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
    Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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