Explanatory notes
… are : (1) Antimony ores. (a) Cervantite, antimony oxide. (b) Kermesite, antimony oxysulphide. (c) Senarmontite, antimony oxide. (d) Stibnite (or antimonite), antimony sulphide. (e) Valentinite or white antimony, antimony oxide. (2) Beryllium ores. (a) Beryl, double …