Table 1 Information of the collected samples
Sample no. | Description | Excavated Location | Method |
|---|---|---|---|
5-1 | Incomplete, blue and purple bead | Tomb owner’s feet | OM, Micro-Raman spectroscopy |
5-3 | Blue and purple bead with full structure | Tomb owner’s feet | OM, Micro-Raman spectroscopy |
18-1 | Incomplete, blue and purple bead, white superficial deposit on the surface | Tomb owner’s left leg | OM, Micro-Raman spectroscopy, SEM-EDS |
18-2 | Incomplete, blue and purple bead | Tomb owner’s left leg | OM |
18-3 | Incomplete, blue and purple bead | Tomb owner’s left leg | OM |
25 | Blue and purple bead with full structure | Tomb owner’s feet | OM, Micro-Raman spectroscopy |
28 | Blue and purple bead with full structure | Tomb owner’s feet | OM, Micro-Raman spectroscopy, XRD |
30-1 | Incomplete, blue and purple bead | Tomb owner’s left leg | OM, Micro-Raman spectroscopy, SEM-EDS, EPMA |
30-2 | Incomplete, blue and purple bead | Tomb owner’s left leg | OM, SEM-EDS |
40 | Incomplete, blue bead | Tomb owner’s head | OM, Micro-Raman spectroscopy |
45-3 | Blue and purple bead with full structure | Tomb owner’s feet | OM |
52-1 | Blue and purple bead with full structure | Tomb owner’s head | OM, SEM-EDS, EPMA |
52-2 | Blue and purple bead with full structure | Tomb owner’s head | OM |
52-3 | Incomplete, blue and purple bead | Tomb owner’s head | OM |
239-2 | Incomplete, blue and purple bead | Tomb owner’s shoulder | OM, SEM-EDS |
240-2 | Incomplete, blue and purple bead | Tomb owner’s right leg | OM, SEM-EDS |