Usage examples of galena. He was elected to Congress in 1852, from the Galena district, and his first term began on the day Franklin Pierce was inaugurated President.. One gram of copper pyrites, blende, fahlerz, or mispickel, yields 7 or 8 grams of lead, whilst 1 gram of antimonite will give 6, and 1 gram of galena only a little over 3 grams.. For example: 3 …