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- Mining of laterite, diatomite and silicious fossil meals (e.g. diatomite); and other natural fluxes; natural asphalt or bitumen and other mining, not elsewhere classified (10)
- Mining of natural graphite (6)
- Mining and quarrying of abrasive materials (pumice stone, emery, corundum, garnet and other natural abrasives) (3)
- Mining of talc/ steatite (3)
- Mining of gemstones (agate, diamond, emerald, garnet (gem), jasper, rubby/ saphire etc. (2)
- Mining of mica (2)
- Mining of vermiculite, perlite and chlorites (1)
- Mining of felspar and silica minerals including quartz, quartzite and fuch. quartzite. (1)