Heading 2506

Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape

Chapter 25 · 2 CN codes

• 2506 10 00 00 Quartz (excl. quartz sands)
• 2506 20 00 00 Quartzite, merely cut, by sawing or otherwise, in blocks or slabs of a square or rectangular shape