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Chalcedony from
Boscaswell Downs Mine, Pendeen, St Just, Cornwall, England, UK


Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Boscaswell Downs Mine, Pendeen, St Just, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:540808
Long-form Identifier:1:3:540808:5
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
0.8km (0.5 miles) ⓘGeevor Mine, Pendeen, St Just, Cornwall, England, UK
1.4km (0.9 miles) ⓘLevant Mine, Trewellard, St Just, Cornwall, England, UK
1.4km (0.9 miles) ⓘPendeen Consols, Pendeen, St Just, Cornwall, England, UK
1.9km (1.2 miles) ⓘWheal Hen, Botallack Mine, Botallack, St Just, Cornwall, England, UK
2.0km (1.2 miles) ⓘWheal Cock, Botallack Mine, Botallack, St Just, Cornwall, England, UK
2.1km (1.3 miles) ⓘGrylls Bunny, Botallack Mine, Botallack, St Just, Cornwall, England, UK
2.1km (1.3 miles) ⓘBotallack Mine, Botallack, St Just, Cornwall, England, UK
2.6km (1.6 miles) ⓘWheal Edward, Botallack, St Just, Cornwall, England, UK
2.7km (1.7 miles) ⓘWheal Drea, Botallack, St Just, Cornwall, England, UK
3.5km (2.2 miles) ⓘWheal Castle, Boswedden Mine (incl. Wheal Praze; Wheal Williams; Yankee Boy Mine), Kenidjack Valley, St Just, Cornwall, England, UK
References
Carne, J. (1822) On the Mineral Productions and the Geology of the Parish of St. Just. Transactions of the Royal Geological Society of Cornwall, 2. 290-358
Hogg, Thomas (1825) A Manual of Mineralogy - In which is shown how much Cornwall contributes to the illustration of the science. W. Polybank High Cross, Truro.
Hall, Townshend M. (1868) The Mineralogist's Directory: or, a guide to the Principal Mineral Localities in the United Kingdom of Great Britain and Ireland. Edward Stanford.
Collins, J. H. (1871) A Handbook to the Mineralogy of Cornwall and Devon. Heard and Sons, Truro.
 
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