Temple’s Persimmon

Temple’s Persimmon

Cone: 9 – 10
Color: rust with black speckles
Surface: gloss
Firing: reduction

Recipe:    (Percent)
Bone Ash……………… 8.87
Talc …………………….. 5.05
Whiting ……………….. 6.34
Custer Feldspar ……. 44.32
EPK …………………….. 5.05
Silica ………………….. 18.98
Red Iron Oxide …….. 11.39
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 = 11.67×10-6 /deg. C

Unity Formula for Temple’s Persimmon:
0.180 K2O     0.353 Al2O3    3.456 SiO2
0.082 Na2O    0.257 Fe2O3    0.001 TiO2
0.599 CaO     0.109 P2O5     0.000 MnO2
0.138 MgO     9.8:1 Si:Al Ratio

Percentage Analysis for Temple’s Persimmon: (by weight)
57.45 %   SiO2
9.96 % Al2O3
4.69 %    K2O
1.41 %  Na2O
9.30 %    CaO
1.54 %    MgO
11.36 % Fe2O3
4.27 %   P2O5
0.02 %    TiO2