'Cuprum arseniatum' Size:Large: 7 x 5in & in Thesauro Veneto seruata'

& in Thesauro Veneto seruata' (an ingenious artificial seven-headed hydra

crashing through the barrier and dangerously close to the edge of the road and the water

and definitely not of the highest class

26th April 1969

'Cuprum arseniatum' Size:Large: 7 x 5in & in Thesauro Veneto seruata'Two specimens of Liroconite [?] here termed 'arseniate of copper' with figures showing the crystalline form. Plate 31 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 'We are obliged to Mr. Chenevix and Count Bournon for the best account They are found at Huel Gorland mine in Cornwall.' The mineral was