Guyana Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Chile was US$387 during 2015, according to the United Nations COMTRADE database on international trade. Guyana Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Chile - data, historical chart and statistics - was last updated on May of 2024.