0891 Mining of chemical and fertiliser minerals

[0]

Includes

- mining of natural phosphates and natural potassium salts
- mining of native sulphur
- extraction and preparation of pyrites and pyrrhotite, except roasting
- mining of natural barium sulphate and carbonate (barytes and witherite), natural borates, natural magnesium sulphates (kieserite)
- mining of earth colours, fluorspar and other minerals valued chiefly as a source of chemicals [0]

Also includes

- guano mining [0]

Does not include

- extraction of salt, see 0893
- roasting of iron pyrites, see 2013
- manufacture of synthetic fertilisers and nitrogen compounds, see 2015 [0]

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