Rutile Blue
Find this listing on our Glazy account: https://glazy.org/recipes/8897
Cone: 9 – 10
Color: mottled blue, tan, brown
Surface: glossy
Firing: reduction
Recipe: (Percent)
Dolomite ………… 15.80
Whiting ………….. 11.10
Custer Feldspar … 30.00
EPK ………………… 16.80
Silica ………………. 26.30
Totals: 100 %
Also add:
Rutile…………………. 8.00
Possible Health Hazards:
Silica: free silica-wear a NIOSH approved dust mask when handling dry material
Estimated Thermal Expansion = 7.03×10-6 /deg. C
Unity Formula for Rutile Blue:
0.099 K2O 0.339 Al2O3 2.748 SiO2
0.044 Na2O 0.003 Fe2O3 0.002 TiO2
0.610 CaO 0.001 P2O5 8.1:1 Si:Al Ratio
0.248 MgO
Percentage Analysis for Rutile Blue: (by weight)
64.31 % SiO2
13.47 % Al2O3
3.63 % K2O
1.06 % Na2O
13.33 % CaO
3.90 % MgO
0.19 % Fe2O3
0.06 % P2O5
0.06 % TiO2