The clay is a buff stoneware. The upper two samples are G2934, a magnesia matte. The bottom two are G1214Z1, a calcia matte. The base transparent versions are on the left and the ones on the right have 10% zircon opacifier added. The difference is surface character is visible.
| Glossary |
Opacifier
Glaze opacity refers to the degree to which it is opaque. Opacifiers are powders added to transparent ceramic glazes to make them opaque. |
| Glossary |
Medium Temperature
These are stoneware glazes that fire in the range of 1200C (2200F). They often contain boron to assist with melting. |
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