Poland Imports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths from Oman was US$131 during 2018, according to the United Nations COMTRADE database on international trade. Poland Imports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths from Oman - data, historical chart and statistics - was last updated on May of 2024.