In 2018, Top
importers of
Porphyry, sylnite, etc, merely cut into a squar from
Belgium were France ($3,509.68K , 14,105,400 Kg), Netherlands ($1,875.40K , 4,745,920 Kg), Austria ($93.67K , 156,961 Kg), Luxembourg ($74.33K , 347,425 Kg), Germany ($39.36K , 195,700 Kg).
Porphyry, sylnite, etc, merely cut into a squar exports by country in 2018