In 2018, Top
importers of
Porphyry, sylnite, etc, merely cut into a squar from
Austria were Netherlands ($868.04K , 10,889,500 Kg), Germany ($67.47K , 764,077 Kg), Switzerland ($54.47K , 299,696 Kg), Romania ($8.97K , 3,811 Kg), Hungary ($3.50K , 16,476 Kg).
Porphyry, sylnite, etc, merely cut into a squar exports by country in 2018