Coronadite specimens for sale

30 for sale · $150–$10,000 USD

11 in the gallery

Coronadite is a lead manganese oxide mineral with a complex formula that reflects mixed-valence manganese. It commonly occurs as tabular to platy crystals and crusts, often displaying a pale brown to yellow-brown colour and a resinous to dull lustre. Habit can vary from granular aggregates to compact masses, sometimes forming distinctive acicular or diminutive crystal forms in oxidized manganese-rich environments. Notable specimens have been recovered from classic secondary localities where manganese oxide minerals crystallize under low temperatures, and these localities include regions in Australia, Morocco, Namibia, the UK, and the USA, among others. The mineral is collected for its rarity and its association with oxidized manganese oxide parageneses, offering collectors a window into secondary mineral formation and mineralogical variety.