Select all
Alabaster
Garnet
Chamotte
Jasper
Anhydrite
Gypsum
Whiting (ground chalk)
Magnetite (magnetic iron ore)
Haematite/kidney ore
Limonite/brown haematite
Specularite/iron glance/grey haematite
Iron pyrites/pyrite/mundic
Marcasite/white iron pyrites
Pyrrhotite/magnetic pyrites
Ironstone
Iron carbonates
Siderite/chalybite/spathose iron
Bog iron ore/limnite
Iron bearing sands
Iron oxides, mixed
Iron ore, washed
Iron ore, sintered
Iron ore, calcined
Iron ore, dressed
Iron ore, concentrated
Iron ore, pelletised
Iron ore, processed
Pyrophyllite
Talc
Andalusite
Feldspar
Steatite
Silica, natural
Silica, natural, granulated
Silica, natural, powdered
Flint or chert
Diatomite, kieselguhr/tripolite
Cristobalite
Corundum
Augite
Agate and onyx
Hornblende
Olivine
Rock crystal
Sillimanite/fibrolite
Vermiculite
Emery
Fertilizer
Mica, raw
Quartz
Mica, processed
