The ancient Harappans went to great efforts to obtain exotic colored stones for making beads of different shapes and sizes.
Ancient Indus Civilization Jewelry.
A banded agate bead (at left), a long terra cotta bead (center) and a cylindrical steatite bead (at right) were all found in the deposits of a room in Trench 54.
This collection was found from the eroding surface of Bawani, a site not far from Harappa that dates from the 3rd century BC.
The beads in the top three rows of from the bead pot (83) were drilled with tapering holes, possibly with tubular drill or tapered cylindrical drill. The green beads are amazonite, banded agate, jasper. The rest are carnelian.
This bead was thought to be the earliest glass in the subcontinent, dating at least to 1700 BC. Trench 38, Late Harappan Period. However, subsequent analysis in 2008 has determined that it is not glass, but some form of crystalline rock.
Faience beads of different shapes and colors were found in the bead pot (83). Some of these appear to be imitations of the natural stones; deep azure blue lapis lazuli, blue-green turquoise and banded to imitate banded agate.