Shaner Oribe

Cone: 9 – 10
Color: dark green
Surface: gloss
Firing: reduction

Recipe:    (Percent)
Custer Feldspar …….. 30.91
Whiting ……………….. 22.36
Silica …………………… 25.32
EPK ……………………. 12.55
Talc ………………………. 7.81
Bone Ash ………………  1.05
Totals:        100 %
Also add:
Copper Carbonate …… 5.49
Bentonite ……………….. 3.16

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

Estimated Thermal Expansion = 7.32×10-6 /deg. C

Unity Formula for Shaner Oribe:
0.096 K2O     0.281 Al2O3    2.699 SiO2
0.044 Na2O    0.002 Fe2O3    0.002 TiO2
0.699 CaO     0.010 P2O5     0.000 MnO2
0.161 MgO     9.6:1 Si:Al Ratio

Percentage Analysis for Shaner Oribe: (by weight)
64.81 %   SiO2
11.45 % Al2O3
3.62 %    K2O
1.09 %  Na2O
15.67 %    CaO
2.60 %    MgO
0.13 % Fe2O3
0.57 %   P2O5
0.06 %    TiO2