BGS Geoheritage – images from the collections
Showing posts with label
chalcedony
.
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Showing posts with label
chalcedony
.
Show all posts
Thursday, 14 March 2013
SILEX achates. Calcedony or Agate. From Sowerby's British Mineralogy. 1802-1817
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BGS image ID: P705140 SILEX achates. Calcedony or Agate. Location: Churchills, near Lanford, Somersetshire. Plate no. 514. From: Sower...
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