Techno File: Four Ways to Reliable Red Ceramic Glazes
Who can resist a beautiful bright red glaze? But red is also one of the most difficult colors to achieve … Read More
Tag: bone ash calcium phosphate
Ca3(PO4)2—HT flux—opacifier in LT glazes—translucence in HT glazes (from colloidal phosphorus globules) and especially in bone china (from supercharged glassy-phase). Toxic in inhalation. Source: Clay: A Studio Handbook
Technofile: Chemistry for Potters
The Elements
The elements were forged in nuclear furnaces inside stars. Ordinary stars like the sun burn hydrogen, two hydrogen atoms … 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
