| 25301010 | Vermiculite, perlite and chlorites, unexpanded: Vermiculite |
| 25301020 | Vermiculite, perlite and chlorites, unexpanded: Perlite |
| 25301090 | Vermiculite, perlite and chlorites, unexpanded: Others (including powder) |
| 25302000 | Vermiculite, perlite and chlorites, unexpanded: Kieserite, epsomite (natural magnesium sulphates) |
| 25309010 | Other: Meerschaum (whether or not in polished pieces) and amber agglomerated; meerachaum and agglomerated amber in plates, rods, etc. not worked after moulding jet |
| 25309020 | Other: Natural arsenic sulphides (such as orpiment) |
| 25309030 | Other: Calcite |
| 25309040 | Other: Ores and concentrates of rare earth metals |
| 25309050 | Other: Wollastonite |
| 25309060 | Other: Earth colour ochre, crude |
| 25309070 | Other: Other processed earth colour ochre |
| 25309091 | Other: Strontium Sulphate (natural ore) |
| 25309099 | Other: Other |