Technofile: Geology for Potters
Rocks
Rocks can be classified into three types: igneous, metamorphic, and sedimentary. The igneous rocks most useful to potters are felsic … Read More
Tag: lepidolite
Lithium feldspar—HT alkaline flux—used for thermal shock bodies and matching glazes. Contains fluorine, with associated problems. Toxic in inhalation. Source: Clay: A Studio Handbook
Technofile: Spodumene
Overcome the challenges of using spodumene and discover how to lower glaze melting temperatures and dramatically brighten such colors as … Read More
Feldspars Used in Ceramic Glazes and Clay Making
Feldspars are important ingredients in clay bodies and glazes. In both applications, their primary function is to supply fluxes to … Read More