Malta Imports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths from Nigeria was US$92 during 2023, according to the United Nations COMTRADE database on international trade. Malta Imports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths from Nigeria - data, historical chart and statistics - was last updated on May of 2024.