Guinea Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Mali was US$627 during 2014, according to the United Nations COMTRADE database on international trade. Guinea Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Mali - data, historical chart and statistics - was last updated on May of 2024.