Coleman Apple Green

Cone: 9 – 10
Color: transparent green
Surface: glossy
Firing: reduction

Recipe:    (percent)
Whiting …………… 17.95
Custer Feldspar …. 43.59
EPK …………………. 10.26
Flint …………………. 28.20
Totals:        100 %
Also add:
Chrome Oxide ………  0.25
Red Iron Oxide ……… 0.77

Possible Health Hazards:
Flint: free silica-wear a NIOSH approved dust mask when handling dry material
Chrome Oxide: all chromium compounds should be viewed as potentially carcinogenic

Estimated Thermal Expansion = 7.29×10-6 /deg. C

Unity Formula for Coleman Apple Green:
0.188 K2O     0.443 Al2O3    4.185 SiO2
0.085 Na2O    0.003 Fe2O3    0.002 TiO2
0.726 CaO     0.001 P2O5     9.4:1 Si:Al Ratio
0.002 MgO

Percentage Analysis for Coleman Apple Green: (by weight)
69.61 %   SiO2
12.51 % Al2O3
4.90 %    K2O
1.46 %  Na2O
11.28 %    CaO
0.02 %    MgO
0.13 % Fe2O3
0.04 %   P2O5
0.04 %    TiO2