| Custer feldspar |
73.8% |
| Whiting |
11.1% |
| Gerstley borate |
10.2% |
| Flint |
4.9% |
|
|
|
| Copper carbonate |
0.4% |
| Tin oxide |
1.0% |
Breaks to clear on ridges and glass
rims ... nice!
Needs to be thick glaze and applied at four count.