Glass Analyses from Takua Pa, Thailand

 

SiO2

NaO2

K2O

CaO

Fe2O3

Al2O3

CuO

MnO

MgO

Other

01

11.0

1.37

2.57

5.44

0.71

0.05

< 0.12

02

76.9

9.6

1.5

6.0

0.06

4.2

0.22

0.06

0.25

Pb = 0.75

03

65.7

15.8

2.5

5.4

0.02

5.5

0.09

0.015

4.92

04

10.7

1.56

3.72

0.81

<
 0.11

1.1

3.70

Co = 0.443

05

72.6

12.6

1.5

5.2

00.3

5.6

0.05

0.37

Pb = 1.5

06

61.1

19.9

1.5

5.2

0.02

6.0

0.06

trace

5.43

07

71.1

7.0

1.5

9.3

0.06

10.1

0.36

0.02

Pb = 0.20

Sources

 1. Red bead SLOWPOKE-Toronto.

2. Dark blue bead, Lamb 1961:55. 3. Dark blue bead, Lamb 1965b:105. 4. Dark blue bead, SLOWPOKE-Toronto.

5. Yellow bead, 1961:55. 6. Yellow bead, Lamb 1965b:105.

7. Light blue bead, Lamb 1961:55.

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