Rudimentary Treatise on Mineralogy: For the Use of Beginners

abundant acid afford albite alumina angles antimony appearance arsenic augite beautiful beryl bismuth blowpipe blue bright brilliant brittle brown calcspar called carbonate cavities cent cerium cleavable cleavage cobalt colourless combined compact consists contains copper Cornwall crystalline crystals cubes dark diamond distinguished earthy edges embedded felspar fibrous flame fluorspar fracture fusible garnet Genus glass gold grains granite granular green colour grey hardness heated hexagonal prisms intermixed iron pyrites kind lead lime lustre magnesia magnet manganese masses massive metallic lustre mica mineral mines native nearly nitric acid oblique obtained occurs in small octahedrons opaque oxyde oxyde of iron pale planes powder pyrolusite quartz rare resembles rhombic prisms rhombohedron rocks salt Saxony Siberia silicate silver small quantity soda solid soluble sometimes specific gravity specimens structure substance sulphate sulphur sulphuret surface tellurium texture topaz tourmaline translucent transparent variety veins vitreous yellow yellowish zeolites zinc