Leószilárdite is a mineral discovered by Travis Olds of the

University of Notre Dame The University of Notre Dame du Lac (known simply as Notre Dame; ; ND) is a Private university, private Catholic research university in Notre Dame, Indiana, United States. Founded in 1842 by members of the Congregation of Holy Cross, a Cathol ...

and colleagues in the Markey Mine in Utah, USA. They named the mineral in honor of

Leó Szilárd Leo Szilard (; ; born Leó Spitz; February 11, 1898 – May 30, 1964) was a Hungarian-born physicist, biologist and inventor who made numerous important discoveries in nuclear physics and the biological sciences. He conceived the nuclear ...

, Hungarian-born physicist and inventor. Leószilárdite is the first naturally occurring sodium- and magnesium-containing

uranyl carbonate Uranyl carbonate refers to the inorganic compound with the formula UO2CO3. Also known by its mineral name rutherfordine, this material consists of uranyl (UO22+) and carbonate (CO32-). Like most uranyl salts, the compound is a polymeric, each urani ...

. It is rare and water-soluble, and was discovered on a seam of carbon-rich material deposited by an ancient stream. Groundwater reacted with the uraninite ore to create leószilárdite and other minerals.

Localities

USA The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 states and a federal capital district, Washington, D.C. The 48 contiguous ...

: Markey Mine, Red Canyon, White Canyon District,

San Juan County, Utah San Juan County ( ) is a County (United States), county in the southeastern portion of the U.S. state of Utah. As of the 2020 United States census, the population was 14,518. Its county seat is Monticello, Utah, Monticello, while its most popu ...

References

Uranyl compounds Carbonate minerals {{carbonate-mineral-stub