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Siderite, Chalcedony


Siderite : FeCO3, Chalcedony

Photo Copyright © Peter Haas  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Wheal Castle, Kenidjack Valley, St Just, St Just District, Cornwall, England, UK
Blood red (hematite-coated ?) crystals to about 1.5 mm, on a grey crust of chalcedony. Field width: 1 cm. Collected by myself in May 2005. P Haas photograph and collection (no. 52-171).

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