3 Verbs to Use for the Word pyrites

Opposite this waterfall a bank of rubbish had been formed by the alluvium, in which, besides fragments of the subjacent rock, were found well-rounded pieces of jasper and porphyry, as well as some bits of coal containing several pyrites, which had probably been brought during the rain from higher up the river.

Messrs. Wall and Sawkins mention pyrites and gypsum as being found: but we saw none, as far as I recollect.

built a fort: but he found the Spanish governor, Berreo, not well pleased at his presence; 'and no gold in the island save Marcasite' (iron pyrites); considered that Berreo and his three hundred Spaniards were 'both poore and strong, and so he had no reason to assault them.'

3 Verbs to Use for the Word  pyrites