Definition
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Concept Hierarchy
Broader Concepts 1
Current Concept
Narrower Concepts 15
Natural graphite; In powder or in flakes
fi_2504_10
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Natural graphite; Other
fi_2504_90
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Quartz; other than natural sands
fi_2506_10
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Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less
fi_2512_00
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Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure; Natural magnesium carbonate (magnesite)
fi_2519_10
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Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure; Other
fi_2519_90
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Asbestos; Crocidolite
fi_2524_10
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Asbestos; Other
fi_2524_90
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Crude mica and mica rifted into sheets or splittings
fi_2525_10
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Mica powder
fi_2525_20
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Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc; Not crushed, not powdered
fi_2526_10
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Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc; Crushed or powdered
fi_2526_20
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Feldspar
fi_2529_10
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Leucite; nepheline and nepheline syenite
fi_2529_30
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Vermiculite, perlite and chlorites, unexpanded
fi_2530_10
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Associations
Notes
History Notes
Concept Information
IRI
https://glossary.bon...ject-2025.1/fi_16390
Notation
fi_16390
Status
Accepted