Magnesium carbonate, imported for use in the compounding or manufacture Feldspar, ground but not further manufactured. Magnesite, calcined, not further manufactured than ground, when imported Silex or crystallized quartz, ground or unground. Free.. Free. 15 p. c. 15 p. o. Marble, rough, not hammered or chiseled. (i) Marble, sawn or sand rubbed, not polished. (ii) Granite, sawn; paving blocks of stone: flagstone and building stone, other than marble or granite, sawn on not more than two sides. 318 20 p. c..... 25 p. c.. Free. Free. 419 31 322 326 326P 326g 327 330 See footnotes at end of table. |