[Pramāṇa](https://indike.org/pramana/) › [Physical](https://indike.org/pramana/inp) › [Artefacts](https://indike.org/pramana/inp.artefact) › [National Museum, New Delhi](https://indike.org/pramana/inp.artefact.nm) › Chert core # Chert core Brown coloured chert core from which blades have been drawn. - **Kind:** artefact - **Date:** 200–399 CE --- Source: [https://indike.org/pramana/inp.artefact.nm.2002-2-99](https://indike.org/pramana/inp.artefact.nm.2002-2-99) · Pramāṇa