Laos Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Brazil was US$100 during 2011, according to the United Nations COMTRADE database on international trade. Laos Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Brazil - data, historical chart and statistics - was last updated on May of 2024.