Date Note | 'British Mineralogy' states that it was found in 1811. |
Description | James SOWERBY, hand coloured etching showing a specimen of smithsonite on fluorite from Rutland Cave near Matlock, Derbyshire, [c.1811].
Caption reads: 'Carbonate of zinc A new and beautiful variety, coloured by Copper, in Fluor, lately found in Rutland Cave near Matlock. Presented to the Geological Society, by James Sowerby who intends it for publication in his British Mineralogy.' |