Guyana Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Canada was US$14 during 2022, according to the United Nations COMTRADE database on international trade. Guyana Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Canada - data, historical chart and statistics - was last updated on May of 2024.