Mackenzie White

Mackenzie White

Cone: 9 – 10
Color: white
Surface: satin gloss
Firing: reduction

Recipe: (Percent)
Dolomite ………………. 6.87
Gerstley Borate ……. 12.37
Talc ……………………. 13.75
Custer Feldspar ……. 41.25
OM-4 Ball Clay ……… 5.15
Silica …………………… 20.61
Totals: 100 %

Possible Health Hazards:
Talc: wear a NIOSH approved dust mask when handling dry material
Silica: free silica-wear a NIOSH approved dust mask when handling dry
material

Estimated Thermal Expansion = 5.89×10-6 /deg. C

Unity Formula for Mackenzie White:
0.136 K2O 0.259 Al2O3 3.099 SiO2
0.096 Na2O 0.157 B2O3 0.002 TiO2
0.322 CaO 0.004 Fe2O3 0.001 MnO2
0.445 MgO 12.0:1 Si:Al Ratio

Percentage Analysis for Mackenzie White: (by weight)
66.69 % SiO2
9.46 % Al2O3
3.91 % B2O3
4.59 % K2O
2.13 % Na2O
6.47 % CaO
6.43 % MgO
0.23 % Fe2O3
0.06 % TiO2
0.03 % MnO2