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These show it to be very vitreous, reaching zero porosity shortly after cone 4. It is also very stable in firing, not melting or bloating all the way to cone 10. This is the raw slaked material so iron specks are visible, these blossom in reduction firing.
| Materials |
3B Clay
A fine-grained, tan burning, illitic stoneware with particulate and soluble salt impurities |
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