Chalconatronite
Esquema
Jerarquía
<materiales por composición> > material inorgánico > mineral
Descripción
A natural fine-grained, greenish-blue corrosion product associated with cuprite and atacamite observed on ancient Egyptian bronzes. The formation of chalconatronite seems to have been due to the presence of hydrated sodium carbonates in the arid soils of certain parts of Egypt.