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. The beads in the bo… >
A black basalt pebble found in the excavations in Trench 54 has a few faint traces of gold colored streaks that may indicate it was used as a touchstone. Pure gold has a strong yellow-orange streak, while alloyed gold yields a slightly different hue. >
