Imports In 2017, North Korea imported $18k in Mica in crude form, sheets and splittings, becoming the 0th largest importer of Mica in crude form, sheets and splittings in the world. At the same year, Mica in crude form, sheets and splittings was the 0th most imported product in North Korea. North Korea imports Mica in crude form, sheets and splittings primarily from: N/A.