Portugal Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Macau was US$63 during 2011, according to the United Nations COMTRADE database on international trade. Portugal Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Macau - data, historical chart and statistics - was last updated on May of 2024.