Other chemical minerals

Other chemical minerals

fi_1619

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Barium sulphate (barytes); natural

fi_2511_10

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Barium carbonate (witherite); natural, whether or not calcined, other than barium oxide of heading no. 2816

fi_2511_20

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Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight

fi_2528_00

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Fluorspar; Containing by weight 97 % or less of calcium fluoride

fi_2529_21

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Fluorspar; Containing by weight more than 97 % of calcium fluoride

fi_2529_22

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Kieserite, epsomite (natural magnesium sulphates)

fi_2530_20

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Mineral substances not elsewhere specified or included; Other

fi_2530_90

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Other chemical minerals