Francium is obtained only by a nuclear reaction: 197Au + 18O = 210Fr + 5 n
Mined diamonds are graded and sized, so that diamonds can be brokered within the industry according to their potential value. Seventy-five percent of mined diamonds are used by industry and the remainder used for gem-quality stones.
Francium's most important use is in scientific research, particularly in studying atomic structure and fundamental physics. It is also sometimes used in the petroleum industry to help analyze geological samples. Due to its high reactivity and radioactivity, francium has very limited practical applications.
Francium hasn't practical uses.
Francium has any uses.
Francium was used only for scientific researches.
Diamonds are mostly used by industry -- about 75% of all diamonds mined; only 25% are used in jewelery.
Francium hasn't a practical use.
Francium hasn't today practical applications; francium is used in laboratories only for scientific studies.
No, Francium is not used in bombs. Due to its high radioactivity and scarcity in nature, Francium is not a practical element to use in weapon applications.
Most diamonds -- 75% of them mined annually -- are used in industry, for tools. Otherwise, diamonds are also used for jewelery.
No practical applications. Francium is used only for scientific studies.