Code 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

SECTION V. Mineral products

25 SALT; SULPHUR; EARTHS AND STONE; PLASTERING MATERIALS, LIME AND CEMENT

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:

2506 10 000 0 quartz

2506 20 000 0 quartzite