2505 Natural Sands of all Kinds, Whether or not Coloured (Excl. Gold- and Platinum-bearing Sands, Zircon, Rutile and Ilmenite Sands, Monazite Sands, and tar or Asphalt Sands)

2505 (01/1988-..) Natural Sands of all Kinds, Whether or not Coloured (Excl. Gold- and Platinum-bearing Sands, Zircon, Rutile and Ilmenite Sands, Monazite Sands, and tar or Asphalt Sands) 25051000 (01/1988-..) Silica Sands and Quartz Sands, Whether or not Coloured 25059000 (01/1988-..) Natural Sands of all Kinds, Whether or not Coloured (Excl. Silica Sands, Quartz Sands, Gold- and Platinum-bearing Sands, Zircon, Rutile and Ilmenite Sands, Monazite Sands, and tar or Asphalt Sands)