Annex

All metal ores and concentrates (including iron, copper, nickel, bauxite, lead, zinc, tin, manganese, chromium, tungsten and magnesium)

Afnor Sand

Andalusite, mullite, dinas earths, kyanite aluminium silicate mineral and sillimanite

Asbestos

Ball clay, Chamotte, Fire clay and China clay

Barium (natural barium sulphate)

Basalt

Bentonite diatomaceous earth (see Siliceous)

Chromite sand from South Africa, and from Indonesia at depth

Clay and other refractory materials

Diatomaceous clay (see Siliceous)

Diatomite (see Siliceous)

Dolomite

Ferricrete

Fuller's earth - a hydrous silicate of alumina which is non-plastic clay with strong absorbent powers. It is used as a carrier for insecticides and fungicides, and in drilling mud.

Garnet sand

Granite

Gypsum

Kaolin clay (Potter's clay) - refined mineral powder used in glazing, porcelain, pottery

Korodur Sand

Laterite

Limestone and Calcareous stone

Marble

Marble granules, chips and powder

Natural magnesium carbonate

Natural phosphates

New Zealand and Iron Sand mined from beach below low water mark

Perlite ore

Pumice stone, pumice sand, emery, natural corundum, natural garnet and other natural abrasives

Quartz (except natural sands)

Sandstone

Schist

Scoria rock

Silica sand

Siliceous fossil meals and similar siliceous earths, including kieselguhr, tripolite, bentonite, diatomite, diatomaceous clay or earth and infusorial soil.

Slate

Spersene - oil drilling mud

Vermiculite

Volcanic ash – for all uses

Zeolite

Zircon