Portugal Exports of setts, curbstones, flagstones, of natural stone (except slate) to Oman was US$7.29 Thousand during 2013, according to the United Nations COMTRADE database on international trade. Portugal Exports of setts, curbstones, flagstones, of natural stone (except slate) to Oman - data, historical chart and statistics - was last updated on June of 2024.