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Colour of Faience/Glaze

(after Shortland 2000: 27)

Glazes

sample colour SiO2 AI2O3 CaO MgO Na2O K2O FeO CoO CuO MnO PbO Sb2O3
E5031 white 90.1 0.3 1.7 0.4 0.7 0.3 0.2 0.05 0.16 0.00 4.2 0.0
E5054/2 yellow 56.1 0.8 2.4 1.5 6.1 4.9 4.0 .0.0 0.0 0.09 17.3 6.7
E5032/4 yellow 64.9 0.2 2.1 0.5 5.3 2.7 0.7 0.0 0.0 0.06 22.4 0.4
UC770 red 74.8 3.3 2.2 0.5 9.8 2.2 6.7 0.02 0.6 0.00 0.0 0.0
TA93 green 67.7 0.3 1.4 0.2 3.3 1.7 0.2 0.04 7.98 0.02 14.7 1.17
E5045 green 72.9 0.4 2.9 0.5 7.1 1.6 0.8 0.00 2.07 0.14 10.47 0.04
TA47 blue 77.4 0.6 2.5 0.7 7.0 2.4 0.4 0.03 7.6 0.20 0.00 0.00
TA48 blue 75.4 2.0 3.8 1.4 6.6 2.9 0.7 0.01 5.54 0.30 0.00 0.00

glass matrix

E5031 blue 75.3 4.1 1.0 1.2 12.2 3.6 0.4 0.36 0.06 0.21 2.6 0.1
E5031 blue 76.7 5.0 0.7 1.1 10.0 3.6 0.3 0.37 0.00 0.18 2.2 0.0
E5031 blue 76.1 4.0 0.8 1.1 12.0 3.3 0.3 0.31 0.04 0.27 2.9 0.0
TA93 green 65.9 0.9 7.7 1.5 4.8 2.2 0.2 0.04 5.08 0.02 10.11 0.38

bulk analysis

E5031 white 96.0 0.3 0.9 0.5 0.5 0.3 0.1 0.00 0.00 0.02 0.2 0.0
E5031 white 95.2 0.2 0.8 0.3 0.8 0.5 0.2 0.00 0.00 0.00 0.3 0.2
E5031 blue 86.5 2.0 0.5 0.5 6.0 1.8 0.2 0.13 0.00 0.13 1.2 0.1
E5054/1 yellow 90.8 0.5 0.7 0.4 0.8 0.4 0.6 0.0 0.0 0.08 3.3 1.0
E5032/4 yellow 89.8 0.3 1.2 0.6 1.4 0.6 0.9 0.0 0.0 0.01 2.8 1.4
UC770 red 88.1 2.3 0.9 0.4 1.9 0.5 5.0 0.03 0.04 0.15 0.01 na
E5054/2 red 82.2 2.5 0.7 0.3 1.5 2.2 5.0 0.08 0.00 0.52 0.06 3.64
E5045 green 86.8 0.3 1.8 0.8 1.8 0.6 0.7 0 0.34 0.02 2.57 1.4

colour in Egypt


 

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