Chalcedony
Pednandrea Mine, Redruth, Cornwall, England, UK
115mm across
An old tin mine, Pednandrea was already active in the early 18th century. The final period of working occurred between 1854 to 1891. The mine is known for having produced fine specimens of chalcedony (Author: ian jones)
Dimensiones: | 800 x 590 |
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