Calx fluor Size:Large: 7 x 5in 22nd August 1959

22nd August 1959

It was also famous for being the location of one of the few cases of known regicide in Britain - on the 15th April 975

25th June 1988

designed by Adele Rootstein

Calx fluor Size:Large: 7 x 5in 22nd August 1959Two specimens of fluorite, here termed 'fluate of lime, or fluor', with a figure showing its crystalline form. Plate 73 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 'These specimens are among the rarest of the fluors known in Great Britain. The upper one is in the possession of my very generous friend