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Liskeardite from
Penberthy Croft Mine, St Hilary, Cornwall, England, UK
| Locality type: | Mine | |
| Classification | ||
|---|---|---|
| Species: | Liskeardite | |
| Formula: | [(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2O | |
| Formation: | Secondary | |
| Comments: | Note: It has been (erroneously) reported (Michael Merry, pers. comm., 2015) that "all liskeardite at Penberthy Croft is apparently bettertonite". Liskeardite has been found to be commonly associated with bettertonite/penberthycroftite. Specimens recently (2024 Steve Rust collection)analysed has shown that Liskeardite is acicular in crystal habit. Bettertonite and Penberthycroftite are minutely bladed/lath-like. | |
| Quality for species: | Good crystals or rich for species - important (!) | |
| Significance: | Classic locality for this mineral (see references.) | |
| Abundance at site: | Rare | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Cyanotrichite | 3 | |
| Scorodite | 2 | |
| Brochantite | 2 | |
| Chrysocolla | 1 | |
| Quartz | 1 | |
| Mansfieldite | 1 | |
| Chalcophyllite | 1 | |
| Calcite | 1 | |
| Data | ||
| Mineral Data: | Click here to view Liskeardite data | |
| Locality Data: | Click here to view Penberthy Croft Mine, St Hilary, Cornwall, England, UK | |
| Photo Gallery | View Gallery (22 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 7044 | |
| Long-form Identifier: | 1:3:7044:7 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Liskeardite | ||
| 4.2km (2.6 miles) | ⓘWheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK | |
| 20.9km (13.0 miles) | ⓘWheal Unity, Gwennap, Cornwall, England, UK | |
| 82.1km (51.0 miles) | ⓘMarke Valley Mine, Upton Cross, Linkinhorne, Cornwall, England, UK | |
| References | ||
Penberthy Croft Mine, St Hilary, Cornwall, England, UK