| Citation | First Class Assistant, Mineral Department, British Museum (Natural History). Distinguished for mineralogical and petrographical research. Awarded the Wollaston Fund of the Geological Society in 1900. Author of numerous papers, most of them published in the Mineralogical Magazine. Is one of the most accomplished of mineral analysts, and has done more to advance the study of mineral chemistry during the last eighteen years than anyone in this country. He has analysed and determined the chemical nature of the following new minerals (only a minute amount of material being in most cases available): - Derbylite, Florencite, Hutchinsonite, Paralaurionite, Paratacamite, Serendibite, Smithe, Teallite, Tripuhyite, Zirkelite; and in papers containing the analyses of other species has contributed much to our knowledge of various mineral groups. He has also made exhaustive microscopical study and chemical analysis of many rocks, including those from Abyssinia and Fernando Noronha; has published elaborate petrographical descriptions of the rock specimens collected by the 'Sir James Ross,' the 'Southern Cross,' and the 'Discovery' Antarctic Expeditions. A few of his more important papers are: - 'On Hamlinite, Florencite, Plumbogummite, Beudantite, and Svanbergite as members of a natural group of minerals' (Mineralogical Magazine, vol xii, 1900); 'On AEgirine and Riebeckite Anorthoclase Rocks from Abyssinia' (ibid); 'Note on a Connection between the Molecular Volume and Chemical, Composition of some Crystallographically similar minerals' (ibid, vol xiii, 1903); 'Contributions to the Petrology of British East Africa' (ibid, vol xiii, 1903); 'On Teallite, a new Sulphostannite of Lead, and its Relations to Franckeite and Cylindrite' (ibid, vol xiv, 1904); 'The Identity of Binnite with Tennantite and the Chemical Composition of Fahlerz' (with L J Spencer, ibid, vol xii, 1900); 'Red Silver Minerals from the Binnenthal' (with G F H Smith, ibid,xiv, 1907). |