uranyl
The uranyl ion is an oxycation of uranium in the oxidation state +6, with the chemical formula . It has a linear structure with short U–O bonds, indicative of the presence of multiple bonds between uranium and oxygen. Four or more ligands ...
phosphate mineral
Phosphate minerals contain the tetrahedrally coordinated phosphate (PO43−) anion along sometimes with arsenate (AsO43−) and vanadate (VO43−) substitutions, and chloride (Cl−), fluoride (F−), and hydroxide (OH−) anions that also fit ...
with formula KCa(H3O)3(UO2)7(PO4)4O4·8(H2O).
It was first described in 1879 by
Frederick Augustus Genth
Frederick Augustus Ludwig Karl Wilhelm Genth (May 17, 1820 – February 2, 1893) was a German-American chemist, specializing in analytical chemistry and mineralogy.
Biography
Frederick Augustus Genth was born in Wächtersbach, Hesse-Cassel on M ...
, from an occurrence in the Flat Rock
pegmatite
A pegmatite is an igneous rock showing a very coarse texture, with large interlocking crystals usually greater in size than and sometimes greater than . Most pegmatites are composed of quartz, feldspar, and mica, having a similar silicic co ...
in
Mitchell County, North Carolina
Mitchell County is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 14,903. Its county seat is Bakersville, population 439 (2022), elevation 2470 ft.
The county is home to the "Mineral City ...