单语范例（未经PONS编辑处理）
He took the rock home and figured it was full of pyrites.
en.wikipedia.org However, some of the concrete surfaces which are today painted were originally unpainted as they suffered early on from staining and streaking from iron pyrites in the aggregate.
en.wikipedia.org Separating the silver, lead and zinc was further helped by an accidental addition of kerosene and linseed oil which naturally precipitated iron pyrites.
en.wikipedia.org It contains a thin irregular layer of sandstone rich in the mineral iron pyrites (fool's gold) and pieces of a bone bed containing bone and teeth of fish and reptiles.
en.wikipedia.org At first the works manufactured soap and alkali, but soon moved to extracting copper from pyrites ash, and later making bleaching powder and ferric oxide.
en.wikipedia.org