Table 1:
Diameter ranges (
d–D
), mean diameter, glass bead density and porosity of the glass bead assemblages for the M, S, and SL glass beads.
d
–
D
ranges
Mean diameter
Bead density
Porosity
Type M
1.50–1.70
1.50
2.54
0.38
1.90–2.30
2.00
2.50
0.37
2.40–2.70
2.50
2.54
0.38
2.70–3.10
2.80
2.50
0.36
3.80–4.10
3.90
2.52
0.37
Type S
0.40–0.60
0.45
2.51
0.40
0.70–1.10
0.85
2.52
0.39
1.00–1.40
1.10
2.53
0.39
1.70–2.20
1.80
2.52
0.39
2.50–3.15
2.50
2.51
0.38
2.85–3.60
3.00
2.53
0.39
3.75–4.50
3.75
2.51
0.37
Type SL
0.50–0.80
0.71
2.61
0.40
0.70–1.05
0.85
2.61
0.39
0.90–1.50
1.10
2.59
0.39
1.60–2.20
1.80
2.61
0.39
2.50–3.20
2.70
2.60
0.38