Natural sands of all kinds, whether or not coloured, other than metalbearing sands of chapter 26
Natural sands of all kinds, whether or not coloured (excl. silica sands, quartz sands, gold and platinumbearing sands, zircon, rutile and ilmenite sands, monazite sands, and tar or asphalt sands)
Silica sands and quartz sands, whether or not coloured