In the United States, in Canada, and more recently in Ireland, where it was used as underfloor infill, pyrite contamination has caused major structural damage.
Di Amerika Serikat, di Kanada, dan baru-baru ini di Irlandia, di mana ia digunakan sebagai pemanas di bawah lantai infill, pirit kontaminasi telah menyebabkan kerusakan struktural utama.