Manual of Mineralogy

actinolite affords alumina angles antimony apatite arsenic bismuth blende blowpipe blue borax brittle brown calc spar called carbonate cent charcoal chlorid chlorite clay cleavage coal cobalt color Composition contains copper pyrites Cornwall crystals dark distinguished earthy epidote feldspar fibrous flame fluor foliated fumes furnace fuses fusible galena gangue garnet glass globule gold granite granular gray grayish green heated hornblende Infusible iron pyrites lead lime limestone luster Luster vitreous magnesia magnetic iron manganese masses massive metal mica mineral mines native nearly nickel nitric acid obtained occurs octahedrons odor opaque oxyd oxyd of copper oxyd of iron oxygen peroxyd potash pounds Prim protoxyd of iron pyroxene quartz rhombic prisms rhombohedron rocks salt Saxony scapolite serpentine silica silver slate soda sometimes species specific gravity sphene streak strl sulphate sulphuret sulphuric acid talc tourmaline translucent transparent usually variety veins yellow zinc