Silver is located in native kind quite rarely as nuggets, however much more often combined with sulfur, arsenic, chlorine, or antimony and in numerous ores such as argentite (Ag2S), chlorargyrite ( horn silver, AgCl), as well as galena (a lead ore usually having substantial quantities of silver). As silver is usually discovered together with these or [ ]
http://worldgeographicchannel.com/silver-mining-documentary-films/
0 comments:
Post a Comment