Collection: Coquimbite

Coquimbite is a rare hydrated iron sulphate recognized for its delicate crystal clusters and vibrant hues. Typically occurring in shades of pink, purple, and violet, coquimbite forms as a secondary mineral in the oxidation zones of iron-rich deposits, often in arid environments. Browse our selection of coquimbite specimens to add a striking and uncommon sulphate mineral to your collection.