Sample | Date | Features of appearance | Shape | Analysis |
---|---|---|---|---|
HW-F-1 | 800B.C.–500B.C | Blue-green, opaque | Tubular beads | Stereomicroscopy, SR-μCT, EPMA |
HW-F-2 | 800B.C.–500B.C | Blue-green, opaque, grooved surface | Tubular beads | Stereomicroscopy, SR-μCT, EPMA |
HW-F-3 | 800B.C.–500B.C | Blue-green, opaque, with a few white weathered layers on the surface | Tubular beads | Stereomicroscopy, SR-μCT, EPMA |
HW-F-4 | 800B.C.–500B.C | Blue-green, opaque, with a few white weathered layers on the surface | Ovoid beads | Stereomicroscopy |