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
Tag: Spodumene
Li2O×Al2O3×4SiO2—lithium feldspar—powerful high-temperature alkaline flux. Promotes copper blues—good for thermal-shock bodies and matching glaze. Toxic in inhalation. Source: Clay: A Studio Handbook
Understanding Glaze and Clay Materials
Today, we live in an age of super abundance of ceramic raw materials. Innumerable clays and glaze materials offer us … Read More
Glaze That Glitters: A Little Experimentation Leads to Some Nice Low Fire Crystal Glazes
When Deanna Ranlett was in school, she wanted to find a glaze that looked like eye shadow. She liked the … Read More
Experiments in Peach Bloom: Extensive Testing Reveals Secrets of an Elusive Ceramic Glaze
Peach Bloom glazes (aptly named since they look like ripening fruit) are some of the most delicate and beautiful glazes … Read More
Techno File: Visual Arts Shino
Traditionally, shino-glazed works are fired in reduction kilns—as a reducing atmosphere must be created for iron to be drawn into … Read More
Capturing Clay’s Raw Character
Tea jar, 13 in. (33 cm) in height, stoneware, VC Spodumene glaze over Black Wash/Stain, wood/soda fired to cone 11, … Read More
Techno File: Bully Material Testing
Parts By Volume Mixing
When added as a relatively large percent to the overall balance of a glaze base, a glaze … Read More
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
Archive Article: Spodumene for Low Thermal Expansion
Clay bodies suitable for use in thermal shock situations require low or zero coefficients of thermal expansion. When spodumene (Li20 … Read More
Technofile: Spodumene
Overcome the challenges of using spodumene and discover how to lower glaze melting temperatures and dramatically brighten such colors as … Read More
