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Heading 2502 : Unroasted iron pyrites.


This heading relates to all unroasted iron pyrites, including unroasted cupreous iron pyrites.
Pyrites are mainly composed of iron sulphide; they are grey or yellowish, with a metallic lustre when stripped of their gangue. In powder form, they are usually greyish.
Unroasted pyrites are mainly used for the extraction of sulphur, although certain cupreous pyrites may also serve for the recovery of copper, as a by-product.

The heading excludes all roasted pyrites (heading 26.01).
It also excludes :

(a) Chalcopyrite (mixed copper-iron sulphides) (heading 26.03).

(b) Marcasite (semi-precious stone) (heading 71.03).

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