[Pramāṇa](https://indike.org/pramana/) › [Physical](https://indike.org/pramana/inp) › [Artefacts](https://indike.org/pramana/inp.artefact) › [The British Museum, London](https://indike.org/pramana/inp.artefact.bm) › Sample # Sample Three fragments of a chunky black-grey material with no indication of internal texture; probably a friable light igneous stone (?) - **Kind:** artefact - **Date:** 450–499 CE --- Source: [https://indike.org/pramana/inp.artefact.bm.1880-4104-e](https://indike.org/pramana/inp.artefact.bm.1880-4104-e) · Pramāṇa