Limestone can be defined as a rock composed mainly of calcium carbonate (CaCo3) with varying amounts of magnesium carbonate, iron oxide, alumina and silica.
Limestone is used for lime manufacture (the burning of lime to produce calcium oxide), as an aggregate in cement brick manufacture, as a fluxing agent in the glass and pyrometallurgical industry, for the treatment of acid soils and as a source of calcium for fertilisers and animal feeds.
Limestone Cobbles (-50+20mm)
Limestone Pebbles (-20+8mm)
Limestone Granules (-8+4mm)
3mm Grain (-4.2+2.8mm)
2mm Grit (-2.8+1mm)
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