Exotic Mineralogy: or, coloured figures of foreign minerals, as a supplement to British Mineralogy

accompanied according Acid Alumine Analysis angles Antimony appearance Arsenic base becomes Bismuth blow-pipe blue British Museum brittle called Carbonate of Lime Catalogue Cerite characters collection colour common considered contain Copper Corundum Count de Bournon crystals cube dark direction discovered dull easily edges Emmerl exhibit faces Feldspar figure fracture gives glass grains Grav green grey hand hardness Haüy heat hexaëdral kind Kirw Klaproth known laminated Lapis Lazuli larger latter Lead less Loss lower lustre mass matrix melts Mercury metallic Mica mineral Mineralogy Muriate Native nearly observed obtuse occurs octaëdron opaque Oxide of Iron planes plate powder present primitive prism produced pure pyramid Quartz rare rectangular remarkable resembling rhomboidal Ruby scratch shows sides Silex Silica Silver sometimes Spec specimen substance Sulphur Sulphuret surface Tabl taken terminal Traité transparent truncated upper usually variety various Vauquelin Water Werner yellow