Firing profiles

Up Fire profile cone 10

150 deg F an hour to 250 deg F

400 deg F an hour to 1800 deg F

300 deg F an hour to 2050 deg F

120 deg F an hour to 2310 deg F with a hold of 20 minutes at 2310 deg F

Down Fire Profile cone 10

300 deg F an hour to 1850 deg F then a 2 hr hold at 1850 deg F

300 deg F an hour to 1750 deg F then a 1 hr hold at 1750 deg F

300 deg F an hour to 1700 deg F then a 3 hr hold at 1700 deg F

25 deg F an hour to 1650 deg F then a 1 hour hold at 1650 deg F

Clay body is a grolleg porcelain from Clay Art Center in Tacoma, WA.

Empirical Formula hiAlk_Z3P_M_hAl

K2O        0.13
Na2O       0.49
CaO        0.36
MgO        0.02

Al2O3      0.63

SiO2       3.43
P2O5       0.07
TiO2       0.21

molecular percent Silica 64.31%

Empirical Formula hiAlk_Z3P_M_hAl_Z3Z

K2O        0.13
Na2O       0.49
CaO        0.36
MgO        0.02

Al2O3      0.63

SiO2       3.45
P2O5       0.07
TiO2       0.21

molecular percent Silica 64.4%

Image of hiAlk_Z3P_M_hAl

bowl is ~6 inches in diameter

Image of hiAlk_Z3P_M_hAl_Z3Z

mug is ~4 inches tall