Rutile Green
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Cone: 9 – 10
Color: mottled green
Surface: satin
Firing: reduction
Recipe: (Percent)
Dolomite …………….14.63
Custer Feldspar ….. 27.78
Whiting …………….. 10.28
EPK ………………….. 15.56
Silica …………………. 24.35
Rutile …………………. 7.41
Totals: 100 %
Also add:
Copper Carbonate … 2.55
Possible Health Hazards:
Silica: free silica-wear a NIOSH approved dust mask when handling dry material
Estimated Thermal Expansion = 7.70×10-6 /deg. C
Unity Formula for Rutile Green:
0.099 K2O 0.339 Al2O3 2.751 SiO2
0.044 Na2O 0.004 Fe2O3 0.294 TiO2
0.610 CaO 0.001 P2O5 0.002 ZrO2
0.248 MgO 0.000 Cr2O3 8.1:1 Si:Al Ratio
0.001 V2O5
Percentage Analysis for Rutile Green: (by weight)
58.85 % SiO2
12.31 % Al2O3
3.32 % K2O
0.97 % Na2O
12.19 % CaO
3.56 % MgO
0.23 % Fe2O3
0.05 % P2O5
0.06 % V2O3
8.37 % TiO2
0.09 % ZrO2