Tags: Chemical Substance, Mineral.
Demesmaekerite is an uranium mineral with the chemical formula: Pb2Cu5(UO2)2(SeO3)6(OH)6•2H2O.It is named after the Belgian mineralogist who worked at the Musonoi Mine Gaston Demesmaeker (born 1911). It is a secondary mineral which contains lead copper and (the rarer in minerals) selenium it is a bottle green to brown/yellow colour its crystal habit changes from one form to another form depending on where it is found.
