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Table 4 Major, minor and trace element oxide compositions of the glass beads (wt% oxide)

From: The chemical composition and manufacturing technology of glass beads excavated from the Hetian Bizili site, Xinjiang

Sample ID

SiO2

Al2O3

Fe2O3

MgO

CaO

Na2O

K2O

Na2O + K2O

MnO

P2O5

TiO2

Sb2O3

Method

Weathering degree

HLB1-blue

46.14

9.34

3.20

2.34

15.99

7.76

6.50

14.26

0.29

4.16

0.61

0.15

LA-ICP-AES

Unweathered

HLB1-yellow

63.96

6.69

0.86

3.57

5.11

3.79

5.44

9.23

0.07

0.64

0.26

0.06

LA-ICP-AES

Weathered

HLB2-blue

66.40

8.12

1.86

2.65

6.27

3.76

4.97

8.73

0.15

2.93

0.52

0.06

LA-ICP-AES

Weathered

HLB2-yellow

52.33

4.89

1.03

1.69

4.23

2.48

3.36

5.84

0.05

2.85

0.28

0.07

LA-ICP-AES

Weathered

HLB3- blue

67.44

4.37

0.57

3.32

3.43

12.55

6.20

18.75

0.08

0.49

0.16

0.01

LA-ICP-AES

Unweathered

HLB3-white1

72.54

4.81

1.77

2.39

7.51

2.29

5.30

7.59

0.32

0.29

0.36

1.35

LA-ICP-AES

Weathered

HLB4-blue

75.74

3.08

0.44

2.29

2.13

9.82

5.18

15

0.05

0.25

0.11

0.00

LA-ICP-AES

Unweathered

HLB4-yellow

66.89

4.82

0.50

3.05

3.43

8.57

7.11

15.68

0.14

0.40

0.18

0.01

LA-ICP-AES

Unweathered

HLB5-black

87.32

3.03

1.69

0.56

1.85

1.00

1.84

2.84

1.25

0.29

0.22

0.05

LA-ICP-AES

Highly weathered

HLB5-white

72.55

2.40

0.53

0.50

1.52

2.88

2.17

5.05

0.19

0.41

0.18

8.49

LA-ICP-AES

Weathered

HLB6-blue

87.32

2.65

1.03

0.76

2.54

1.75

1.98

3.73

0.36

0.34

0.24

0.09

LA-ICP-AES

Highly weathered

HLB6-white

70.20

2.40

0.48

0.74

2.55

5.75

2.75

8.5

0.76

0.35

0.14

8.15

LA-ICP-AES

Unweathered

HLB7

91.72

1.27

0.74

0.88

2.70

0.16

1.45

1.61

0.07

ND

0.10

0.05

ED-XRF

Highly weathered

HLB8-yellow

67.60

4.60

1.06

2.52

2.83

8.64

5.95

14.59

0.13

0.36

0.19

0.00

LA-ICP-AES

Unweathered

HLB8-blue

83.84

6.69

0.48

1.70

1.84

1.00

2.71

3.71

0.09

0.29

0.21

0.01

LA-ICP-AES

Highly weathered

HLB9-black

72.34

6.86

0.74

0.42

2.15

3.05

5.45

8.5

0.22

2.93

0.69

0.59

LA-ICP-AES

Weathered

HLB9-white1

74.27

2.55

0.37

0.55

3.57

5.94

2.30

8.24

0.73

0.26

0.12

3.40

LA-ICP-AES

Unweathered

HLB10-green

68.17

6.77

2.36

3.42

7.02

5.49

4.62

10.11

0.68

0.26

0.24

0.00

LA-ICP-AES

Unweathered

HLB-11-green

81.24

4.31

1.30

1.71

4.23

0.49

2.80

3.29

0.22

0.02

0.27

0.28

ED-XRF

Highly weathered

HLB12-blue

66.32

4.99

0.48

4.06

3.38

12.91

6.05

18.96

0.08

0.39

0.16

0.00

LA-ICP-AES

Unweathered

HLB12-black

14.62

1.74

1.24

3.69

6.66

3.06

2.23

5.29

44.77

8.48

0.23

2.63

LA-ICP-AES

unweathered

HLB12-pink

54.56

4.16

2.97

12.11

5.54

2.08

5.22

7.3

0.40

8.02

0.48

0.08

LA-ICP-AES

unweathered

HLB12-white1

44.02

3.01

1.87

2.43

6.40

2.64

2.69

5.33

5.38

7.69

0.27

1.55

LA-ICP-AES

unweathered

HLB12-white2

20.50

2.11

1.41

2.97

10.20

2.40

2.71

5.11

9.26

17.18

0.52

1.73

LA-ICP-AES

Unweathered

Sample ID

CuO

PbO

CoO

BaO

SnO2

SrO

ZnO

B2O3

V2O5

NiO

ZrO

Ag2O

Method

 

HLB1-blue

0.82

0.23

0.02

0.16

0.44

0.09

0.80

0.20

0.38

0.37

0.00

0.01

LA-ICP-AES

Unweathered

HLB1-yellow

0.08

7.02

0.00

0.15

1.86

0.05

0.15

0.09

0.07

0.06

0.01

0.00

LA-ICP-AES

Weathered

HLB2-blue

0.63

0.14

0.01

0.24

0.46

0.05

0.18

0.09

0.32

0.19

0.00

0.00

LA-ICP-AES

Weathered

HLB2-yellow

0.43

20.03

0.00

0.41

5.43

0.08

0.10

0.06

0.10

0.07

0.00

0.03

LA-ICP-AES

Weathered

HLB3- blue

1.03

0.00

0.00

0.09

0.04

0.05

0.01

0.10

0.02

0.04

0.00

0.00

LA-ICP-AES

Unweathered

HLB3-white1

0.26

0.21

0.05

0.21

0.07

0.02

0.08

0.10

0.02

0.04

0.01

0.01

LA-ICP-AES

Weathered

HLB4-blue

0.61

0.00

0.00

0.14

0.02

0.03

0.00

0.05

0.01

0.02

0.00

0.00

LA-ICP-AES

Unweathered

HLB4-yellow

0.01

4.17

0.00

0.11

0.46

0.04

0.00

0.06

0.01

0.02

0.01

0.00

LA-ICP-AES

Unweathered

HLB5-black

0.16

0.00

0.09

0.13

0.11

0.03

0.07

0.14

0.05

0.11

0.00

0.00

LA-ICP-AES

Highly weathered

HLB5-white

0.08

7.11

0.00

0.01

0.40

0.01

0.12

0.21

0.08

0.16

0.00

0.00

LA-ICP-AES

Weathered

HLB6-blue

0.15

0.06

0.08

0.03

0.13

0.02

0.15

0.15

0.05

0.11

0.00

0.01

LA-ICP-AES

Highly weathered

HLB6-white

0.06

5.40

0.00

0.02

0.08

0.02

0.06

0.07

0.01

0.02

0.00

0.00

LA-ICP-AES

Unweathered

HLB-7

0.01

0.07

0.01

0.69

0.05

0.02

0.01

ND

ND

ND

ND

ND

ED-XRF

Highly weathered

HLB8-yellow

0.09

5.00

0.00

0.11

0.76

0.03

0.01

0.07

0.01

0.03

0.01

0.00

LA-ICP-AES

Unweathered

HLB8-blue

0.67

0.03

0.00

0.11

0.09

0.02

0.01

0.11

0.04

0.07

0.00

0.00

LA-ICP-AES

Highly weathered

HLB9-black

0.94

0.09

0.00

0.03

0.97

0.02

0.72

0.73

0.36

0.68

0.00

0.00

LA-ICP-AES

Weathered

HLB9-white1

0.04

5.60

0.00

0.03

0.06

0.03

0.06

0.07

0.01

0.02

0.00

0.01

LA-ICP-AES

Unweathered

HLB10-green

0.09

0.00

0.00

0.16

0.19

0.05

0.02

0.11

0.19

0.16

0.00

0.01

LA-ICP-AES

Unweathered

HLB-11-green

2.11

0.02

0.01

0.76

0.13

0.10

0.02

ND

ND

ND

ND

ND

ED-XRF

Highly weathered

HLB12-blue

0.88

0.00

0.00

0.08

0.02

0.06

0.00

0.08

0.01

0.02

0.01

0.00

LA-ICP-AES

Unweathered

HLB12-black

0.27

9.72

0.07

0.07

0.04

0.07

0.27

0.07

0.03

0.04

0.00

0.00

LA-ICP-AES

Unweathered

HLB12-pink

0.80

2.79

0.00

0.06

0.09

0.05

0.33

0.13

0.05

0.09

0.01

0.00

LA-ICP-AES

Unweathered

HLB12-white1

0.10

21.46

0.01

0.05

0.07

0.08

0.16

0.07

0.02

0.03

0.00

0.00

LA-ICP-AES

Unweathered

HLB12-white2

0.20

28.14

0.01

0.04

0.06

0.14

0.30

0.07

0.02

0.04

0.00

0.00

LA-ICP-AES

Unweathered

  1. ND not detected