Iran Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Singapore was US$824 during 2016, according to the United Nations COMTRADE database on international trade. Iran Exports of clays, andalusite, kyanite, sillimanite, mullite, chamotte, dinas earths to Singapore - data, historical chart and statistics - was last updated on May of 2024.