2509.00 Chalk 2509.00.10 A 2509.00.10 D 2509.00.01 A
2509.00.90 D 2509.00.20 A
2510.10 Natural calcium phosphates, aluminum calcium phosphates etc, 2510.10.00 D 2510.10.00 D 2510.10.01 D
2510.10.99 A
2510.20 Natural calcium phosphates, aluminum calcium phosphates etc, 2510.20.00 D 2510.20.00 D 2510.20.01 D
2510.20.99 A
2511.10 Natural barium sulphate (barytes) 2511.10.00 A 2511.10.10 A 2511.10.01 A
2511.10.50 A
2511.20 Natural barium carbonate (witherite) 2511.20.00 A 2511.20.00 A 2511.20.01 A
2512.00 Siliceous fossil meals (ie kieselguhr etc) & similar siliceous 2512.00.00 D 2512.00.00 D 2512.00.01 A
2513.11 Pumice stones, crude or in irregular pieces incl crushed 2513.11.00 D 2513.11.00 D 2513.11.01 A