Germany Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Congo was US$115 during 2010, according to the United Nations COMTRADE database on international trade. Germany Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Congo - data, historical chart and statistics - was last updated on May of 2024.