Imports In 2021, Sao Tome and Principe imported $17.6k in Siliceous Fossil Meals, becoming the 0th largest importer of Siliceous Fossil Meals in the world. At the same year, Siliceous Fossil Meals was the 0th most imported product in Sao Tome and Principe. Sao Tome and Principe imports Siliceous Fossil Meals primarily from: N/A.