Glass Analyses from Arikamedu, India

SiO2

NaO2

K2O

CaO

Fe2O3

Al2O3

CuO

MnO

MgO

Other

01

64.81

11.35

4.32

4.81

1.20

3.41

0.72

 

2.35

P2O3 = 5.00; Cu2O = 1.33

02

64.64

17.0

3.5

4.0

1.2

5.8

1.7

0.25

1.6

PbO = 0.05

03

66.45

13.50

3.9

5.0

1.5

5.1

1.9

0.15

2.1

PbO = 0.0

04

66.69

14.3

4.0

4.6

1.3

4.5

2.1

0.14

2.0

PbO = 0.01

05

 

8.72

4.21

2.56

 

1.89

1.24

0.15

<0.84

Co 0.003

06

67.6

12.4

3.76

5.61

0.69

3.36

4.02

0.26

2.12

Pb = 0.01

07

70.76

2.06

15.98

3.73

2.54

1.48

2.90

trace

1.15

 

08

72.36

1.86

15.79

2.99

1.98

2.06

1.87

trace

1.40

 

 

SiO2

NaO2

K2O

CaO

Fe2O3

Al2O3

CuO

MnO

MgO

Other

09

75.81

1.0

15.0

2.0

1.2

2.4

0.04

1.5

0.45

 

10

73.60

2.10

13.40

3.90

1.10

1.90

 

0.40

1.40

 

11

 

<0.26

12.4

<0.62

 

0.90

<0.10

1.5

< 1.55

Co 0.04

12

73.62

1.30

12.78

1.96

3.84

1.38

 

5.01

0.30

 

13

70.24

2.14

16.23

3.76

2.06

1.97

1.46

0.24

2.00

 

14

75.90

4.27

3.93

1.84

2.58

2.88

1.50

 

1.31

 

15

69.70

1.85

16.67

4.16

3.68

2.05

0.46

trace

1.63

 

 

SiO2

NaO2

K2O

CaO

Fe2O3

Al2O3

CuO

MnO

MgO

Other

16

72.49

0.20

14.14

2.94

6.50

1.12

 

1.99

0.68

 

17

71.37

2.05

13.46

2.11

2.97

2.66

trace

4.85

1.47

 

18

 

2.06

5.78

3.87

 

2.69

<0.03

0.09

1.88

Co 0.001

19

 

<0.54

14.9

<0.86

 

1.40

<0.12

4.8

<3.21

Co 0.01

 

Sources: Red glasses: 1. Bead, Tornati and Sleen 1960:23. 2. Lump, Lamb 1965b:99. 3. Long bead, Lamb 1965b:99. 4. Short bead, Lamb 1965b:99. 5. Chunk, from VI.106, an early locus, SLOWPOKE-Toronto. 6. Tube, Brill 1987:17. 7. Lal 1987:52. 8. Lal 1987:52. Dark Blue: 9. Lump, Lamb 1965b:101. 10. Beads, Subramanian 1950:19-20. 11. Chunk from VII.106, an early locus, SLOWPOKE-Toronto. 12. Lal 1952:25. 13. Lal 1987:52. 14. Opaque green bead, Tornati and Sleen 1960:23. 15. Translucent green, Lal 1987:52. Deep violet/purple: 16. Lal 1952:25. 17. Lal 1987:52. Black: 18. Chunk from XI.055, an early locus, SLOWPOKE-Toronto. 19. Chunk from XII.014, a late locus, SLOWPOKE-Toronto. 

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