Namibiaexports of Barium sulphate (barytes); natural was $189.54K . Namibiaexported Barium sulphate (barytes); natural to Angola ($189.54K )Namibiaexports of Barium sulphate (barytes); natural was $189.54K . Namibiaexported Barium sulphate (barytes); natural to Angola ($189.54K ).Barium sulphate (barytes); natural imports by country in 2018