Oxidised Copperas

Period:
Early Modern (1485-1750), Hanoverian (1714-1837), Victorian (1837-1901), 21st Century (2000- )Copyright:
David Grayston / Clacton VCH GroupImage Caption:
Once the Copperas or Pyrites has been removed from the wet conditions on the shoreline it rapidly oxidises. Material collected at Walton in 2014.