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. _______________________________________
Small Bead Businesses | Beading & Beadwork | Ancient Beads | Trade Beads Beadmaking & Materials | Bead Uses | Researching Beads | Beads and People Center for Bead Research | Book Store | Free Store | Bead Bazaar Shopping Mall | The Bead Auction | Galleries | People | Events The Bead Site Home | Chat Line | Contact Us | Site Search Engine | FAQ
|