MOESM1 of Unravelling the glass trade bead sequence from Magoro Hill, South Africa: separating pre-seventeenth-century Asian imports from later European counterparts

Additional file 1: Table S1. Report on XRF results of the main elements (wt %) that act as glass former, stabilizer and flux in some K2, Mapungubwe, Zimbawe and Khami series from van Riet Lowe Collection. Table S2. Average composition of some glass bead series from southern Africa (oxides wt %) [23]. Table S3. Reclassification of the beads from Table 2. Table S4. Reclassification of the beads from Table 3