porfido pedretti has been working in the stone field for three generations: we have a quarry that we have been exploiting for forty years, from which we quarry the vallecamonica porphyry, a brown violet stone, the only one in the world and of our exclusive production.
since 2015 the porfido pedretti company has the exclusive right to a porphyry quarry situated in renon, bolzano’s province.