Oman Exports of granite, porphyry, basalt, sandstone, other monumental or building stone to Bahrain was US$55 during 2014, according to the United Nations COMTRADE database on international trade. Oman Exports of granite, porphyry, basalt, sandstone, other monumental or building stone to Bahrain - data, historical chart and statistics - was last updated on May of 2024.