Mag (Straw yellow)
C/9R
Custer Spar 56.8
Dolomite 13.6
Whiting 10.6
Zinc Oxide (Calc.) 3
Kaolin 16
Total 100
Magnesium Carbonate 1
Rutile 4
Ferric Oxide (Fe2O3) 1
Na2O 0.07 Al2O3 0.39 SiO2 1.96
K2O 0.16 P2O5 0.00
MgO 0.22 TiO2 0.12
CaO 0.46 Fe2O3 0.02
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.34
Alk:Neut:Acid ratio is 1.00:0.39:2.11
Expansion: 85.5 x 10e-7 per degree C
Na2O 0.07 Al2O3 0.39 SiO2 1.96
K2O 0.16 P2O5 0.00
MgO 0.22 TiO2 0.12
CaO 0.46 Fe2O3 0.02
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.34
Alk:Neut:Acid ratio is 1.00:0.39:2.11
Expansion: 85.5 x 10e-7 per degree C
------------------------------------------
Yac (Brown)
---------------------------------------------
Antique Green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Rutile 2
Ilmenite 2
Black copper oxide 1
Suedine
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Rutile 2
Manganese dioxide 2
Cobalt carbonate 1
V.O. White
Nepheline syenite 51.14
Gerstley borate 6.29
Dolomite 5.62
Talc 15.09
EPK 3.53
Silica 18.33
Yac (Brown)
Custer Spar 56.8
Dolomite 13.6
Whiting 10.6
Zinc Oxide (Calc.) 3
Kaolin 16
Total 100
Rutile 2
Red iron oxide 3
Rutile 2
Red iron oxide 3
Na2O 0.07 Al2O3 0.41 SiO2 2.02
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.06
CaO 0.48 Fe2O3 0.05
ZnO 0.10
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.27
Alk:Neut:Acid ratio is 1.00:0.41:2.14
Expansion: 85.5 x 10e-7 per degree C
Antique Green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Rutile 2
Copper carbonate 2
Cobalt carbonate 3
Na2O 0.06 Al2O3 0.37 SiO2 1.82
K2O 0.15 P2O5 0.00
MgO 0.17 TiO2 0.06
CaO 0.43 Fe2O3 0.00
CoO 0.06
CuO 0.04
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.15
Alk:Neut:Acid ratio is 1.00:0.37:1.89
Expansion: 85.1 x 10e-7 per degree C
--------------------------------------------
Black
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Magnesium carbonate 1
Whiting 1
Red iron oxide 8
Manganese dioxide 3
--------------------------------------------------
Brulé (Burnt)
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Black
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Magnesium carbonate 1
Whiting 1
Red iron oxide 8
Manganese dioxide 3
Na2O 0.06 Al2O3 0.35 SiO2 1.77
K2O 0.14 P2O5 0.00
MgO 0.19 TiO2 0.00
CaO 0.44 Fe2O3 0.12
MnO 0.08
ZnO 0.08
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.31
Alk:Neut:Acid ratio is 1.00:0.35:1.88
Expansion: 86.6 x 10e-7 per degree C
--------------------------------------------------
Brulé (Burnt)
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Copper carbonate 2
Manganese dioxide 2
Red iron oxide 2
Na2O 0.06 Al2O3 0.37 SiO2 1.83
K2O 0.15 P2O5 0.00
MgO 0.18 TiO2 0.00
CaO 0.43 Fe2O3 0.03
MnO 0.05
CuO 0.04
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.07
Alk:Neut:Acid ratio is 1.00:0.37:1.87
Expansion: 83.4 x 10e-7 per degree C
-----------------------------------------
Access
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Access
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Magnesium carbonate 1
Rutile 4
Manganese dioxide 0.6
Na2O 0.07 Al2O3 0.39 SiO2 1.93
K2O 0.16 P2O5 0.00
MgO 0.21 TiO2 0.12
CaO 0.46 Fe2O3 0.01
MnO 0.02
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.30
Alk:Neut:Acid ratio is 1.00:0.39:2.06
Expansion: 84.9 x 10e-7 per degree C
-------------------------------------------
Bronze
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Manganese dioxide 5.2
Na2O 0.06 Al2O3 0.35 SiO2 1.75
K2O 0.14 P2O5 0.00
MgO 0.17 TiO2 0.00
CaO 0.41 Fe2O3 0.00
MnO 0.13
ZnO 0.08
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:4.99
Alk:Neut:Acid ratio is 1.00:0.35:1.75
Expansion: 82.1 x 10e-7 per degree C
Bronze
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Manganese dioxide 5.2
Na2O 0.06 Al2O3 0.35 SiO2 1.75
K2O 0.14 P2O5 0.00
MgO 0.17 TiO2 0.00
CaO 0.41 Fe2O3 0.00
MnO 0.13
ZnO 0.08
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:4.99
Alk:Neut:Acid ratio is 1.00:0.35:1.75
Expansion: 82.1 x 10e-7 per degree C
---------------------------------------------
Brown
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Brown
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Magnesium carbonate 1
Green chromium oxide 2
Manganese dioxide 8
Red iron oxide 1
Na2O 0.06 Al2O3 0.32 SiO2 1.59
K2O 0.13 P2O5 0.00
MgO 0.17 TiO2 0.00
CaO 0.38 Cr2O3 0.03
MnO 0.19 Fe2O3 0.02
ZnO 0.08
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.11
Alk:Neut:Acid ratio is 1.00:0.32:1.64
Expansion: 84.0 x 10e-7 per degree C
Green chromium oxide 2
Manganese dioxide 8
Red iron oxide 1
Na2O 0.06 Al2O3 0.32 SiO2 1.59
K2O 0.13 P2O5 0.00
MgO 0.17 TiO2 0.00
CaO 0.38 Cr2O3 0.03
MnO 0.19 Fe2O3 0.02
ZnO 0.08
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.11
Alk:Neut:Acid ratio is 1.00:0.32:1.64
Expansion: 84.0 x 10e-7 per degree C
--------------------------------------------
Yellow/Grey
Yellow/Grey
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Rutile 2
Ilmenite 2
Black copper oxide 1
Na2O 0.07 Al2O3 0.39 SiO2 1.96
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.10
CaO 0.46 Fe2O3 0.02
CuO 0.03
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.27
Alk:Neut:Acid ratio is 1.00:0.39:2.07
Expansion: 85.1 x 10e-7 per degree C
-----------------------------------------
Autumn Leaves
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Ilmenite 2
Rutile 2
Black iron oxide 2
Na2O 0.07 Al2O3 0.41 SiO2 2.02
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.10
CaO 0.48 Fe2O3 0.06
ZnO 0.10
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.36
Alk:Neut:Acid ratio is 1.00:0.41:2.18
Expansion: 86.3 x 10e-7 per degree C
-------------------------------------------
Grey/green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Black copper oxide 0.5
Black iron oxide 0.5
Na2O 0.07 Al2O3 0.40 SiO2 1.99
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.00
CaO 0.47 Fe2O3 0.01
CuO 0.02
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.01
Alk:Neut:Acid ratio is 1.00:0.40:2.00
Expansion: 82.8 x 10e-7 per degree C
------------------------------------------
Tan
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Rutile 2
Ilmenite 2
Na2O 0.07 Al2O3 0.41 SiO2 2.02
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.10
CaO 0.48 Fe2O3 0.02
ZnO 0.10
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.27
Alk:Neut:Acid ratio is 1.00:0.41:2.14
Expansion: 85.2 x 10e-7 per degree C
---------------------------------------------
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Rutile 2
Manganese dioxide 2
Cobalt carbonate 1
Na2O 0.06 Al2O3 0.38 SiO2 1.87
K2O 0.15 P2O5 0.00
MgO 0.18 TiO2 0.06
CaO 0.44 Fe2O3 0.00
MnO 0.06
CoO 0.02
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.15
Alk:Neut:Acid ratio is 1.00:0.38:1.93
Expansion: 84.2 x 10e-7 per degree C
------------------------------------------
Grey/turquoise
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Black copper oxide 1
Manganese dioxide 0.5
Na2O 0.07 Al2O3 0.39 SiO2 1.93
K2O 0.16 P2O5 0.00
MgO 0.18 TiO2 0.00
CaO 0.46 Fe2O3 0.00
MnO 0.01
CuO 0.03
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:4.99
Alk:Neut:Acid ratio is 1.00:0.39:1.93
Expansion: 82.4 x 10e-7 per degree C
--------------------------------------------
Turquoise
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Cobalt carbonate 0.5
Green chromium oxide 1
Na2O 0.07 Al2O3 0.40 SiO2 2.00
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.00
CaO 0.47 Cr2O3 0.02
CoO 0.01 Fe2O3 0.00
ZnO 0.10
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.03
Alk:Neut:Acid ratio is 1.00:0.40:2.02
Expansion: 83.8 x 10e-7 per degree C
-----------------------------------------
Blue
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide 3
EPK 16
Total 100
Rutile 2
Cobalt carbonate 3
Na2O 0.07 Al2O3 0.38 SiO2 1.90
K2O 0.15 P2O5 0.00
MgO 0.18 TiO2 0.06
CaO 0.45 Fe2O3 0.00
CoO 0.06
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.15
Alk:Neut:Acid ratio is 1.00:0.38:1.96
Expansion: 85.2 x 10e-7 per degree C
-----------------------------------------
Seacrest
Custer feldspar 54
Whiting 13
Barium carbonate 2.5
Zinc oxide (Calc.) 2.5
Silica 22
EPK 6
Total 100
Bentonite 1
Red iron oxide 5
Na2O 0.10 Al2O3 0.44 SiO2 3.97
K2O 0.22 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.51 Fe2O3 0.12
ZnO 0.12
BaO 0.05
Alumina:Silica ratio is 1.00:9.00
Neutral:Acid ratio is 1.00:9.28
Alk:Neut:Acid ratio is 1.00:0.44:4.09
Expansion: 77.9 x 10e-7 per degree C
-----------------------------------------
Transparent
Custer feldspar 43.5
Silica 28.1
EPK 10.3
Whiting 18.1
Transparent
Custer feldspar 43.5
Silica 28.1
EPK 10.3
Whiting 18.1
Total 100
Bentonite 1
Na2O 0.08 Al2O3 0.45 SiO2 4.16
K2O 0.19 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.73 Fe2O3 0.00
Alumina:Silica ratio is 1.00:9.28
Neutral:Acid ratio is 1.00:9.29
Alk:Neut:Acid ratio is 1.00:0.45:4.17
Expansion: 71.2 x 10e-7 per degree C
----------------------------------------
Green Celadon
Custer feldspar 43.5
Silica 28.1
EPK 10.3
Whiting 18.1
Total 100
Bentonite 1
Red iron oxide 1.7
Na2O 0.08 Al2O3 0.45 SiO2 4.16
K2O 0.19 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.73 Fe2O3 0.05
Alumina:Silica ratio is 1.00:9.28
Neutral:Acid ratio is 1.00:9.39
Alk:Neut:Acid ratio is 1.00:0.45:4.21
Expansion: 72.3 x 10e-7 per degree C
----------------------------------------
Blue/green
Custer feldspar 38.8
Cornwall Stone 19.4
Whiting 19.4
Zinc oxide (Calc.) 2.9
Ball clay 19.5
Total 100
Rutile 2
Copper carbonate 2
Cobalt carbonate 3
Na2O 0.08 Al2O3 0.41 SiO2 2.38
K2O 0.14 TiO2 0.08
MgO 0.01 Fe2O3 0.01
CaO 0.56
CoO 0.07
CuO 0.04
ZnO 0.10
Alumina:Silica ratio is 1.00:5.81
Neutral:Acid ratio is 1.00:6.01
Alk:Neut:Acid ratio is 1.00:0.41:2.46
Expansion: 83.1 x 10e-7 per degree C
-------------------------------------------
Nepheline syenite 51.14
Gerstley borate 6.29
Dolomite 5.62
Talc 15.09
EPK 3.53
Silica 18.33
Total 100
Bentonite 1
Na2O 0.27 Al2O3 0.38 SiO2 2.86
K2O 0.08 B2O3 0.07 P2O5 0.00
MgO 0.42 TiO2 0.00
CaO 0.23 Fe2O3 0.00
MnO 0.00
Alumina:Silica ratio is 1.00:7.49
Neutral:Acid ratio is 1.00:6.27
Alk:Neut:Acid ratio is 1.00:0.46:2.86
Expansion: 73.5 x 10e-7 per degree C
Oxides causing abnormal expansion:
B2O3
----------------------------------------------
Barium Blue Matt( Dean)
Custer feldspar 65.22
Barium carbonate 34.78
Total 100
Bentonite 3
Copper carbonate 8.7
Custer feldspar 65.22
Barium carbonate 34.78
Total 100
Bentonite 3
Copper carbonate 8.7
Na2O 0.09 Al2O3 0.33 SiO2 2.18
K2O 0.20 TiO2 0.00
MgO 0.01 Fe2O3 0.00
CaO 0.02
CuO 0.20
BaO 0.49
Alumina:Silica ratio is 1.00:6.71
Neutral:Acid ratio is 1.00:6.72
Alk:Neut:Acid ratio is 1.00:0.33:2.19
Expansion: 92.9 x 10e-7 per degree C
---------------------------------------------
P-4 (Black)
Nepheline syenite 58.44
Magnesium carbonate 2.66
Whiting 10.54
EPK 11.36
Silica 17
Total 100
Red iron oxide 4
Na2O 0.37 Al2O3 0.66 SiO2 3.55
K2O 0.11 P2O5 0.00
MgO 0.11 TiO2 0.00
CaO 0.40 Fe2O3 0.10
Alumina:Silica ratio is 1.00:5.40
Neutral:Acid ratio is 1.00:5.56
Alk:Neut:Acid ratio is 1.00:0.66:3.65
Expansion: 83.4 x 10e-7 per degree C
--------------------------------------------
Matt White
Nepheline syenite 38.91
Whiting 8.6
Dolomite 15.83
Zinc oxide (calc.) 2.3
EPK 21.46
Silica 12.9
Total 100
Bentonite 1
Tin oxide 0.769
Na2O 0.18 Al2O3 0.45 SiO2 2.06
K2O 0.05 P2O5 0.00
MgO 0.23 TiO2 0.00
CaO 0.46 Fe2O3 0.00
ZnO 0.07 SnO2 0.01
Alumina:Silica ratio is 1.00:4.57
Neutral:Acid ratio is 1.00:4.61
Alk:Neut:Acid ratio is 1.00:0.45:2.08
Expansion: 78.8 x 10e-7 per degree C
--------------------------------------------
Light green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide (calc.) 3
EPK 16
Total 100
Red iron oxide 0.25
Copper carbonate 0.5
Na2O 0.07 Al2O3 0.40 SiO2 2.00
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.00
CaO 0.47 Fe2O3 0.01
CuO 0.01
ZnO 0.10
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.00
Alk:Neut:Acid ratio is 1.00:0.40:2.01
Expansion: 82.7 x 10e-7 per degree C
---------------------------------------------
Light green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide (calc.) 3
EPK 16
Total 100
Black copper oxide 1
Red iron oxide 1
Na2O 0.07 Al2O3 0.39 SiO2 1.96
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.00
CaO 0.46 Fe2O3 0.02
CuO 0.03
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.03
Alk:Neut:Acid ratio is 1.00:0.39:1.98
Expansion: 83.0 x 10e-7 per degree C
------------------------------------------
Grey/green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide (calc.) 3
EPK 16
Total 100
Ilmenite 3
Rutile 1
Na2O 0.07 Al2O3 0.41 SiO2 2.02
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.08
CaO 0.48 Fe2O3 0.03
ZnO 0.10
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.26
Alk:Neut:Acid ratio is 1.00:0.41:2.14
Expansion: 85.2 x 10e-7 per degree C
------------------------------------------
Grey/green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide (calc.) 3
EPK 16
Total 100
Ilmenite 3
Rutile 1
Na2O 0.07 Al2O3 0.41 SiO2 2.02
K2O 0.16 P2O5 0.00
MgO 0.19 TiO2 0.08
CaO 0.48 Fe2O3 0.03
ZnO 0.10
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.26
Alk:Neut:Acid ratio is 1.00:0.41:2.14
Expansion: 85.2 x 10e-7 per degree C
------------------------------------------
Black
Albany slip 85
Nepheline syenite 15
Total 100
Cobalt carbonate 2
Na2O 0.16 Al2O3 0.66 SiO2 4.10
K2O 0.15 TiO2 0.02
MgO 0.24 Fe2O3 0.12
CaO 0.38
CoO 0.07
Alumina:Silica ratio is 1.00:6.18
Neutral:Acid ratio is 1.00:6.39
Alk:Neut:Acid ratio is 1.00:0.66:4.23
Expansion: 71.8 x 10e-7 per degree C
-------------------------------------------
Leach White
Custer feldspar 40
Whiting 20
EPK 10
Silica 30
Total 100
Bentonite 2
Ultrox 10
Na2O 0.07 Al2O3 0.40 SiO2 4.14
K2O 0.16 P2O5 0.00
MgO 0.01 TiO2 0.00
CaO 0.76 Fe2O3 0.00
ZrO2 0.20
Alumina:Silica ratio is 1.00:10.26
Neutral:Acid ratio is 1.00:10.76
Alk:Neut:Acid ratio is 1.00:0.40:4.34
Expansion: 71.5 x 10e-7 per degree C
------------------------------------------
Blue/green
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide (calc.) 3
EPK 16
Total 100
Rutile 1.6
Copper carbonate 1.6
Cobalt carbonate 3.2
Na2O 0.06 Al2O3 0.37 SiO2 1.83
K2O 0.15 P2O5 0.00
MgO 0.18 TiO2 0.05
CaO 0.43 Fe2O3 0.00
CoO 0.06
CuO 0.03
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.11
Alk:Neut:Acid ratio is 1.00:0.37:1.88
Expansion: 84.9 x 10e-7 per degree C
------------------------------------------------
Turquoise
Custer feldspar 25
Nepheline syenite 16.5
Wollastonite 18.5
Talc 10.5
Ball clay 29.5
Total 100
Green chromium oxide 1
Cobalt carbonate 0.5
Na2O 0.12 Al2O3 0.47 SiO2 2.87
K2O 0.11 TiO2 0.02
MgO 0.24 Cr2O3 0.02
CaO 0.52 Fe2O3 0.01
MnO 0.00
CoO 0.01
Alumina:Silica ratio is 1.00:6.16
Neutral:Acid ratio is 1.00:6.25
Alk:Neut:Acid ratio is 1.00:0.47:2.91
Expansion: 74.0 x 10e-7 per degree C
------------------------------------------
Turquoise
Nepheline syenite 46.3
Dolomite 8
Whiting 5.7
Ball clay 8.2
Silica 28.3
Zinc oxide (calc.) 3.5
Zinc oxide (calc.) 3.5
Total 100
Cobalt carbonate 0.5
Black copper oxide 1
Green chromium oxide 0.5
Na2O 0.26 Al2O3 0.41 SiO2 3.25
K2O 0.08 TiO2 0.01
MgO 0.14 Cr2O3 0.01
CaO 0.33 Fe2O3 0.00
CoO 0.01
CuO 0.04
ZnO 0.14
Alumina:Silica ratio is 1.00:7.85
Neutral:Acid ratio is 1.00:7.89
Alk:Neut:Acid ratio is 1.00:0.41:3.27
Expansion: 75.4 x 10e-7 per degree C
---------------------------------------------
Taupe Grey
Custer feldspar 56.8
Dolomite 13.6
Whiting 10.6
Zinc oxide (calc.) 3
EPK 16
Total 100
Rutile 1
Manganese dioxide 1
Cobalt carbonate 1
Na2O 0.07 Al2O3 0.39 SiO2 1.92
K2O 0.16 P2O5 0.00
MgO 0.18 TiO2 0.03
CaO 0.45 Fe2O3 0.00
MnO 0.03
CoO 0.02
ZnO 0.09
Alumina:Silica ratio is 1.00:4.97
Neutral:Acid ratio is 1.00:5.07
Alk:Neut:Acid ratio is 1.00:0.39:1.96
Expansion: 83.6 x 10e-7 per degree C
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