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Grog, temper for clay. Grog, also known as firesand and chamotte, is a raw material usually made from crushed and ground potsherds, reintroduced into crude clay to temper it before making ceramic ware. It has a high percentage of silica and alumina. It is normally available as a powder or chippings, and is an important ingredient in Coade stone.
Supports, often in the shape of a tripod, used to maintain the shape and separate ware during the firing process. Made of refractory ceramic material. Kneading Preparing clay for shaping which involves manipulating the clay by hand in a fashion somewhat like kneading dough for bread. It ensures the even distribution of moisture in the body.
Some clays used to make pottery do not require the addition of tempers. Pure kaolin clay does not require tempering. [6] Some clays are self-tempered, that is, naturally contain enough mica, sand, or sponge spicules that they do not require additional tempering.
Most Groggs are 9 inches tall or less and are made of a type of clay called grog. Groggs are usually made of popular Welsh rugby players, [1] Welsh celebrities [2] and the occasional non-Welsh celebrity. [3] [4] Whenever possible the person who is "grogged" is presented with the first Grogg produced. [5]
Cardium pottery or Cardial ware is a Neolithic decorative style that gets its name from the imprinting of the clay with the heart-shaped shell of the Corculum cardissa, a member of the cockle family Cardiidae. These forms of pottery are in turn used to define the Neolithic culture which produced and spread them, commonly called the "Cardial ...
Cord-marked pottery or Cordmarked pottery is an early form of a simple earthenware pottery. It allowed food to be stored and cooked over fire. It allowed food to be stored and cooked over fire. Cord-marked pottery varied slightly around the world, depending upon the clay and raw materials that were available.
The word ceramic comes from the Ancient Greek word κεραμικός (keramikós), meaning "of or for pottery" [4] (from κέραμος (kéramos) 'potter's clay, tile, pottery'). [5] The earliest known mention of the root ceram- is the Mycenaean Greek ke-ra-me-we , workers of ceramic, written in Linear B syllabic script. [ 6 ]
The word "ceramic" is derived from the Greek word κεραμικός (keramikos) meaning pottery.It is related to the older Indo-European language root "to burn". [2] " Ceramic" may be used as a noun in the singular to refer to a ceramic material or the product of ceramic manufacture, or as an adjective.