silica
Isaac Kremer/ January 28, 2022/ / 0 comments
A hard, brittle, transparent, crystalline compound composed fo silicon dioxide (siO2); the basic component of quartz, sand, and flint; sometimes used in a very finely pulverized form to provide tooth to undercoat paints. See also silcic acid. (Bucher, 1996) Photo from Jamestown Glass House, Jamestown, Virginia, 2025.