Common
Gerstley borate is a boron/silicate mineral mined in Boron, Southern California, near Los Angeles. Gerstley borate contains both flux (melting) and glass-forming minerals. This Gerstley borate fired sample was fired in a kiln at 2,190°F.
Regional Material
Gerstley borate is often used in ceramic glazes.
Del Harrow lives and works in Fort Collins, CO with his wife, potter Sanam Emami and their son, William. He is a Professor at Colorado State University where he teaches Sculpture, Digital Fabrication, and Ceramics.
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