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)