2513.20.90.00 - Other

This classification, HTS Code 2513.20.90.00, covers "Other" natural abrasives, natural corundum, natural garnet, and pumice, which are not specifically defined under the preceding sibling category. This means that any natural abrasive materials falling under the broader scope of Chapter 25, Section V, that are not classified as "Crude or in irregular pieces" would be directed to this residual "Other" category. The key differentiating factor from the sibling category lies in the form and preparation of the abrasive material.

Unlike the sibling category which explicitly captures abrasives in their raw, unworked, or roughly broken states, this classification is intended for natural abrasives that have undergone some degree of processing or refinement beyond merely being broken into irregular pieces. Examples could include these natural abrasives that have been ground, sized, screened, or otherwise prepared for specific abrasive applications, but do not fit into more specialized classifications if they existed.

Since this node is a leaf node within the HTS classification structure, there are no further subcategories to introduce. Therefore, classification into this code is determined by the exclusion from the "Crude or in irregular pieces" category and the confirmation that the material is indeed a natural abrasive, natural corundum, natural garnet, or pumice falling within the general scope of heading 2513. The primary classification criteria will involve determining if the material's physical state or preparation places it outside the description of the sibling category.