Absorption testing trials and tribulations
Well, my last tests did not go well. One test bar (the sandy one with 16% absorption without anything added) was way over fired at 30% neph sye. It still had 11% absorption at cone …
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Test Bars Fired to Cone 7
The one marked RC is my reclaim. It’s a mix of commercial and local materials. I have no idea of the percentage of each, as it all gets mixed together. Absorption at cone 7 is …
Letting go…
A customer asked me yesterday if it’s hard to let favorite pieces go. Yes, sometimes it is. But there are always pieces like this one. It’s a native clay body, and it was on the …
Trimming a Coarse Clay
This is the 10% limestone clay while trimming. You can see the coarseness of the body. I smooth this over with a bit of slip and my fingers.
Is Pottery an Environmental Concern?
Pottery uses only ingredients that are normally found in nature. If you compare the chemistry of a normal clay body to various rocks, you will find they are remarkably similar. Glazes as well, only contain …