ewingite
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Ewingite is a complex hydrous uranyl carbonate mineral of magnesium and calcium. Its chemical formula is . It was discovered by Jakub Plášil of the Institute of Physics at the Academy of Sciences of the Czech Republic in the Plavno mine, Czech Republic. Travis Olds of the University of Notre Dame and colleagues described ewingite, which is the most structurally complex known mineral on Earth. Ewingite is named in honor of Rodney C. Ewing, Professor of Geological Sciences at Stanford University, USA.
Wikidata facts
- Subclass of
- carbonate and nitrate class of minerals
Show 3 more facts
- crystal system
- tetragonal crystal system
- IMA Mineral Symbol
- Ewg
- chemical formula
- Mg₈Ca₈(UO₂)₂₄(CO₃)₃₀O₄(OH)₁₂(H₂O)₁₃₈
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Ewingite is a complex hydrous uranyl carbonate mineral of magnesium and calcium. Its chemical formula is . It was discovered by Jakub Plášil of the Institute of Physics at the Academy of Sciences of the Czech Republic in the Plavno mine, Czech Republic. Travis Olds of the University of Notre Dame and colleagues described ewingite, which is the most structurally complex known mineral on Earth. Ewingite is named in honor of Rodney C. Ewing, Professor of Geological Sciences at Stanford University, USA.
The mineral is rare, due to its very narrow pH and compositional range required for formation, which are only known to occur in the Plavno mine. Ewingite forms through uranium oxidation occurring in the humid environment of the mine.
Excerpted from Wikipedia’s “ewingite” article, available under the CC BY-SA 4.0 licence.