About the Author

Dave Finkelnburg


Articles by Dave Finkelnburg

Clay Mixology

Clay Mixology

For about 95% of ceramic history, nature did the mixing and potters simply mined the clay. If potters did anything,  … Read More

Bloating

Bloating

There are three potential causes of bloating: over firing, “dirty” firing (reducing atmosphere in the early stages of firing), and  … Read More

Pinholing

Pinholing

A pinhole marring a fired glaze is possibly the most troublesome of all glaze faults, disrupting an otherwise smooth surface.  … Read More

Bisque Firing 101

Bisque Firing 101

The fundamentals of bisque firing include whether to fire to a soft or hard bisque, the stages of firing and  … Read More

Spodumene

Spodumene

Spodumene is a naturally occurring mineral source of the flux element lithium and is commonly referred to as lithium feldspar.  … Read More

Strontium/Barium

Strontium/Barium

Artists who create their own glazes sometimes struggle with the questions, “Strontium or barium, which should I use? And why?”  … Read More

Ball Clays

Ball Clays

Ball clays are very plastic so they are widely used in clay bodies. However, like many ceramic raw materials, not  … Read More

Frits

Frits

Frits are wonderful glaze ingredients. Getting familiar with frits can help solve problems and improve glazes. The challenge of frits  … Read More

Cobalt

Cobalt

Cobalt is an extremely powerful colorant that almost always produces an intense blue, but it doesn’t have to be that  … Read More