|
Glass Analyses from Oc-Eo, Vietnam
|
|
SiO2
|
NaO2
|
CaO
|
Fe2O3
|
Al2O3
|
CuO
|
MnO
|
MgO
|
Other
|
|
dark red
|
59.3
|
20.60
|
3.60
|
1.59
|
9.40
|
2.83
|
0.13
|
1.81
|
S = 0.89
|
|
orange red
|
55.5
|
20.92
|
3.80
|
4.31
|
6.33
|
5.27
|
0.09
|
1.88
|
S = 1.30, Co. = trace
|
|
dark blue
|
59.4
|
23.34
|
10.8
|
0.64
|
2.16
|
0.63
|
0.03
|
2.60
|
Co = trace
|
|
dark blue
|
61.0
|
23.90
|
8.00
|
1.20
|
3.42
|
|
0.14
|
1.44
|
Co. = trace
|
|
light blue
|
61.9
|
22.95
|
3.20
|
3.10
|
8.30
|
1.26
|
0.08
|
1.15
|
S = 0.37, Co = trace
|
|
yellow
|
58.6
|
25.04
|
0.48
|
0.48
|
10.02
|
|
0.08
|
0.57
|
S = 0.61
|
|
bright yellow
|
57.2
|
22.42
|
4.00
|
0.48
|
12.54
|
0.31
|
0.11
|
1.66
|
S = 0.68
|
|
|
SiO2
|
NaO2
|
CaO
|
Fe2O3
|
Al2O3
|
CuO
|
MnO
|
MgO
|
Other
|
|
greenish-yellow
|
59.5
|
21.70
|
3.00
|
0.64
|
11.61
|
0.63
|
0.11
|
1.73
|
|
|
light green
|
56.4
|
20.35
|
5.80
|
0.48
|
4.84
|
|
0.04
|
1.44
|
S = 0.75
|
|
trans. green
|
62.2
|
26.45
|
5.40
|
0.48
|
2.46
|
|
0.04
|
2.17
|
|
|
black
|
63.5
|
22.81
|
3.60
|
0.80
|
6.90
|
trace
|
|
0.57
|
S = 1.02
|
|
Source: Malleret 1962:465-9.
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