Rutile Glaze

Cornwall Stone Glazes

Glaçures au Cornwall Stone

Ŝtono de Kornvalo-Glazuroj

Data of the base

Cornwall Stone              85

Whiting                          15

Total                              100

Na2O  0.17    Al2O3  0.51     SiO2  3.95

K2O  0.15                              TiO2  0.01

MgO  0.01                             Fe2O3  0.00

CaO  0.67                             

Alumina:Silica ratio is  1.00:7.68

Neutral:Acid ratio is    1.00:7.70

Alk:Neut:Acid ratio is 1.00:0.51:3.96

Expansion: 73.8 x 10e-7 per degree C

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