The Prospector's Field-book and Guide in the Search for and the Easy Determination of Ores and Other Useful Minerals

alumina angles antimony arsenic assay auriferous bead beds blowpipe blue borax brown calcite California called carbonate chalcopyrite charcoal chemical chloride chromite clay Cloth Binding coal cobalt color contains copper corundum crucible crystalline crystals cubic cupel deposits diamond dissolved earth feet feldspar fissures flame fracture galena garnet glass globule gneiss gold grains granite graphite gravel green hardness heat hexagonal hornblende hydrochloric acid igneous inches iron lead lime limestone lode luster magnesia magnetite manganese masses mercury metal metamorphic mica mineral mining nickel nitric acid occurs opal orebody outcrop oxide particles phosphate platinum potash pounds powder precipitate prism produced prospector pyrite quantity quartz rocks ruby salt sand sandstone schists scratched serpentine shale silica silver soda sodium solution sometimes specific gravity stone strata streak sulphate sulphide sulphuric acid surface tion topaz transparent tube usually variety vein weight yellow zinc