Imports In 2021, Brunei imported $2.82k in Quartzite, crude or roughly trimmed, becoming the 0th largest importer of Quartzite, crude or roughly trimmed in the world. At the same year, Quartzite, crude or roughly trimmed was the 0th most imported product in Brunei. Brunei imports Quartzite, crude or roughly trimmed primarily from: N/A.