Sub Headings of 2530

2530.10.00.00 Vermiculite, perlite and chlorites,unexpanded
2530.20.10.00 Kieserite
2530.20.20.00 Epsom salts
2530.90.10.00 Natural cryolite; natural chiolite
2530.90.20.00 Natural micaceous iron oxides
2530.90.80. Other