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Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide .
Clay minerals are hydrous aluminium phyllosilicates (e.g. kaolin, Al 2 Si 2 O 5 4), sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations found on or near some planetary surfaces. Clay minerals form in the presence of water [1] and have been important to life, and many theories of abiogenesis ...
An inorganic, crystalline non-metallic solid formulated from metal or non-metal compounds whose irreversible formation occurred during heating to high temperatures. Chamotte A ceramic material formed by the high temperature firing of a refractory clay, after which it is crushed (and sometimes then milled) before being graded to size.
Clay is a 2005 children's/young adult novel by David Almond.It was shortlisted for the Carnegie Medal and longlisted for the Guardian Children's Fiction Prize. [1]The story, told in first-person, is about two boys, Davie and Stephen, who can make clay come to life.
Terracotta, originally modelled in clay. Giant clay sculptures in Caruaru . Roses and seashells made of Paperclay (DECO) Industrial clay: a clay model of a BMW. Modelling clay or modelling compound is any of a group of malleable substances used in building and sculpting. The material compositions and production processes vary considerably.
Beanpots are typically made of ceramic, though pots made of other materials, like cast iron, can also be found. Billycan – a lightweight cooking pot in the form of a metal bucket [4] [5] [6] commonly used for boiling water, making tea or cooking over a campfire [7] or to carry water. [6]
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Kaolinite (/ ˈ k eɪ. ə l ə ˌ n aɪ t,-l ɪ-/ KAY-ə-lə-nyte, -lih-; also called kaolin) [5] [6] [7] is a clay mineral, with the chemical composition Al 2 Si 2 O 5 4.It is a layered silicate mineral, with one tetrahedral sheet of silica (SiO 4) linked through oxygen atoms to one octahedral sheet of alumina (AlO 6).