Rashleighite
A variety of Turquoise
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About Rashleighite
Formula:
Cu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Name:
Named in honour of Philip Rashleigh (28 December 1729, Aldermanbury, City of London, England, UK – 26 June 1811, Menabilly Estate, Tywardreath, Cornwall, England, UK), Cornish geologist and Fellow of the Society of Antiquaries and Fellow of the Royal Society.
Turquoise Group. An Fe(III)-bearing (ferrian) turquoise variety, intermediate on the Chalcosiderite-Turquoise Series.
Originally reported from the 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.
Originally reported from the 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.
Unique Identifiers
Mindat ID:
3367 (as Rashleighite)
4060 (as Turquoise)
4060 (as Turquoise)
Long-form identifier:
mindat:1:1:3367:7 (as Rashleighite)
mindat:1:1:4060:6 (as Turquoise)
mindat:1:1:4060:6 (as Turquoise)
Chemistry of Rashleighite
Mindat Formula:
Cu(Al,Fe)6(PO4)4(OH)8 · 5H2O
Element Weights:
Synonyms of Rashleighite
Other Language Names for Rashleighite
German:Eisentürkis
Rashleighit
Rashleighit
Spanish:Rashleighita
Common Associates
Associations Based on Photo Data:
| 16 photos of Rashleighite associated with Quartz | SiO2 |
| 10 photos of Rashleighite associated with Wavellite | Al3(PO4)2(OH)3 · 5H2O |
| 7 photos of Rashleighite associated with Libethenite | Cu2(PO4)(OH) |
| 5 photos of Rashleighite associated with Opal | SiO2 · nH2O |
| 4 photos of Rashleighite associated with Cacoxenite | Fe3+24AlO6(PO4)17(OH)12 · 75H2O |
| 3 photos of Rashleighite associated with Liroconite | Cu2Al(AsO4)(OH)4 · 4H2O |
| 3 photos of Rashleighite associated with Turquoise | CuAl6(PO4)4(OH)8 · 4H2O |
| 2 photos of Rashleighite associated with Varlamoffite | Sn1-xFexO2-x(OH) |
| 2 photos of Rashleighite associated with Stannite | Cu2FeSnS4 |
| 1 photo of Rashleighite associated with Monazite Group | REE(PO4) |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Rashleighite
mindat.org URL:
https://www.mindat.org/min-3367.html
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References for Rashleighite
Localities for Rashleighite
Showing 10 localities.
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Australia | |
| Uwe Kolitsch XRD analyses (to be published) |
China | |
| Xu et al. (2025) |
Germany | |
| P Kohorst collection |
Portugal | |
| |
UK | |
| Palache et al. (1951) |
| Dines (1956) | |
| Rudler (1905) | |
| Golley et al. (1995) |
| Golley et al. (1995) |
| Golley et al. (1995) |
Miguel Vacas Mine, Nossa Senhora da Conceição e São Bartolomeu, Vila Viçosa, Évora, Portugal