[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Reference works](https://indike.org/pramana/ins.reference) › [An Encyclopaedia of Indian Archaeology](https://indike.org/pramana/ins.reference.ghosh-1989) › v2.c47.74 # An Encyclopaedia of Indian Archaeology v2.c47.74 An Encyclopaedia of Indian Archaeology v2.c47.74 - **Language:** English ### [v2.c47.74](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c47.74) Phase A of the Pd has yielded very interesting evidence for the manufacture of beads of stone on a large scale, especially chalcedony. Rough-dressed specimens of beads were subjected to slow firing in small earthen pots with a closely fitting stopper of chalcedony, and after the rough-outs had acquired an opaque hue in the process they were ground on slabs of sandstone with an abrasive, such as sand, and finished with the piercing of the perforation done with a drill working on one side at a time. Disc-shaped and highly polished ear ornaments were also produced by the same method. - [Previous: v2.c47.73](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c47.73) - [Next: v2.c47.75](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c47.75) - [Up: v2.c47](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c47) --- Source: [https://indike.org/pramana/ins.reference.ghosh-1989.v2.c47.74](https://indike.org/pramana/ins.reference.ghosh-1989.v2.c47.74) · Pramāṇa