'Cuprum sulphuratum' Size:XS: 40 x 30cm View with figures strolling around

View with figures strolling around the reservoir and a dog in the reservoir retrieving a stick

Specimen termed 'Arseniate of copper' with two details of crystals

View of Charles Street with figures working in the foreground

known as the pleura in regards to the lungs

'Cuprum sulphuratum' Size:XS: 40 x 30cm View with figures strolling aroundSpecimens of copper sulphate, here termed 'sulphuret of copper', with a figure showing its crystalline form. Plate 77 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R. Taylor & Co., 1804). The accompanying text states that 'This copper ore is not uncommon; but the form of the crystallization in this specimen is either rare, or has been hitherto overlooked