Show where sliver is found prof james orton says silver is usually found with lead ore and native copper slates and sandstones intersected by igneous rocks as trap and porphyry are good localities pure r silver ilver is often found in and near iron ores and tho dark brown zinc blend the new mexico silver are porous at the surface and colored more or less lem red and green any rock suspected of containing silver should be powdered and dissolved in acid pour off tho the liquid quid I and add to it a solution of salt if a white powder falls to the bottom which upon exposure turns black there is silver in it silver mines increase increase in hi value as in depth whereas gold diminishes as wo we descend |