Colombia Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Brazil was US$16 during 2019, according to the United Nations COMTRADE database on international trade. Colombia Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Brazil - data, historical chart and statistics - was last updated on May of 2024.