Radium bromide Institute had four grams of radium total, which at the time was more than half the world supply. Countries all over the world set out to make as much radium as possible, a time consuming and expensive task. It was reported in "Science" magazine in 1919 that the United States had produced approximately 55 grams of radium since 1913, which was also more than half the radium produced in the world at the time. A principal source for radium is pitchblende, which holds a total of 257 mg of radium per ton of UO. Obviously with so little product recovered
Radium, Minnesota Radium, Minnesota Radium is an unincorporated community in section 19 of Comstock Township, Marshall County, Minnesota, United States. It was built alongside the Minneapolis, St. Paul and Sault Ste. Marie Railroad (Soo Line Railroad) branch line built in 1905 from Thief River Falls, Minnesota, to Kenmare, North Dakota. (This line still operates under the aegis of the Northern Plains Railroad.) The place was named for the element radium. Radium had its own post office from 1905 to 1984. Since 1984, Radium has been served by the post office in Warren. It is also on the Warren telephone exchange and part