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A restored gesso panel representing St. Martin of Tours, from St. Michael and All Angels Church, Lyndhurst, Hampshire. Gesso (Italian pronunciation:; 'chalk', from the Latin: gypsum, from Greek: γύψος), also known as "glue gesso" or "Italian gesso", [1] is a white paint mixture used to coat rigid surfaces such as wooden painting panels or masonite as a permanent absorbent primer substrate ...
Chalk art by kids in the Czech Republic. On September 16–17, 2006, a global event was held to promote peace through sidewalk chalk drawings. [5] Chalk4Peace was a project planned by an artist from Arlington, Virginia named John Aaron, who asked children and teens from the age of eight to age eighteen to participate in groups across the world to draw chalk drawings that would illustrate peace ...
For example, toothpaste commonly contains small amounts of chalk, which serves as a mild abrasive. [27] Polishing chalk is chalk prepared with a carefully controlled grain size, for very fine polishing of metals. [28] French chalk (also known as tailor's chalk) is traditionally a hard chalk used to make temporary markings on cloth, mainly by ...
Composition ornament ("compo") is a mouldable thermoplastic compound, consisting of powdered chalk mixed with collagen (hide glue), resin (pine rosin) and linseed oil; worked either by hand or more usually pressed into moulds to produce decorative work.
The Chalk Group (often just called the Chalk) is the lithostratigraphic unit (a certain number of rock strata) which contains the Upper Cretaceous limestone succession in southern and eastern England.
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Within the field of icon painting, levkas is the mixture of fine alabaster powder, calcium sulfate (a form of gypsum), or calcium carbonate (chalk) along with glue (often rabbit skin glue, sometimes fish glue derived from the bladder of a sturgeon) applied in layers to a surface prior to gilding that surface with gold leaf or painting it, similar to gesso.
Minium/red lead – trilead tetroxide, Pb 3 O 4; formed by roasting litharge in air. Naples yellow/cassel yellow – oxychloride of lead, formed by heating litharge with sal ammoniac. Mercurius praecipitatus – red mercuric oxide. Mosaic gold – stannic sulfide, formed by heating a mixture of tin filings, sulfur, and sal-ammoniac.