 gem is a city in thomas county, kansas, united states. as of the 2010 census, the city population was 88. ==history== gem was a shipping point on the chicago, rock island and pacific railroad.{{cite book | url=http://books.google.com/books?id=o8x5krq3fp8c&pg=pa727#v=onepage&q&f=false | title=kansas: a cyclopedia of st
Cities_in_Kansas Cities_in_Thomas_County,_Kansas