---
title: "HSN Code for Sillimanite lumps | HSN 25085031 GST Rate"
description: "Find HSN and GST Rates for 25085031 related to Sillimanite lumps with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-25085031/"
---

# HSN Code 25085031: Sillimanite lumps

- [Section 05: Guide to HSN Section 05](https://busy.in/hsn/section-05/)
- [Chapter 25: Salt, Stones and Cement](https://busy.in/hsn/chapter-25/)
- [Sub-chapter 2508: Other Clays & Minerals](https://busy.in/hsn/sub-chapter-2508/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Andalusite, kyanite and sillimanite : Sillimanite : Lumps | 2.5% | 2.5% | 5% | 0% |

## Frequently asked questions

### What products are classified under HSN 25085031 ?

It includes Sillimanite lumps

### Do e‑way bill and e‑invoice apply for Sillimanite lumps?

Generate an e‑way bill if the consignment value exceeds ₹50,000 (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

### How should mixed supplies be billed when Sillimanite lumps is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Sillimanite lumps; Nil for exempt items if applicable).

### Can we claim ITC on inputs used to trade Sillimanite lumps?

If your outward supply is taxable (5%/12% etc.), eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

### Does packaging or labelling change the GST for Sillimanite lumps?

For many agri/food items, GST applies at 5% when they are not fresh/chilled and are sold as pre‑packaged & labelled. Loose or fresh/chilled forms may be Nil.

### Any common misclassification issue with Sillimanite lumps?

Use the exact HSN and the correct form (fresh/chilled vs. frozen/dried; PPL vs. not). Apply the rate per line to avoid wrong tax collection.