Clay

Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, ). 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.

Earthenware is glazed or unglazed nonvitreous pottery that has normally been fired below . Basic earthenware, often called terracotta, absorbs liquids such as water. However, earthenware can be made impervious to liquids by coating it with a ceramic glaze, and such a process is used for the great majority of modern domestic earthenware. The main other important types of pottery are porcelain, bone china, and stoneware, all fired at high enough temperatures to vitrify. End applications include tableware and decorative ware such as figurines.

substrate suitable for hydroculture applications

type of tennis court

range of refractory clays used in the manufacture of ceramics

natural building material made from subsoil, water, some kind of fibrous organic material (typically straw)

type of glaciomarine clay

thumb|upright=1.15|A paper-lined , opened to access the grapes stored inside (Dari: , ), also called , is the traditional Afghan technique of preserving fresh fruit, particularly grapes, in airtight discs formed from mud and straw. The centuries-old technique is indigenous to Afghanistan's rural center and north, where remote communities that cannot import fresh fruit eat -preserved fresh grapes throughout the winter, and merchants use to safely store and transport grapes for sale at market. Grapes preserved using in modern Afghanistan are typically of the thick-skinned or varieties, which ar

Clay with cellulose fiber

craft material of metal particles and a plastic binder

open-pit mining for the extraction of clay minerals

kaolinitic sedimentary clay

applied subdiscipline of chemistry

hidden weak point that could cause the downfall of someone who appears strong or invincible

Caloian (also Calian(i), Caloiță, Scaloian, Gherman, or Iene) was a rainmaking and fertility rite in Romania, similar in some ways to Dodola. Its namesake is a clay effigy, whose sculpting, funeral, exhumation, and eventual destruction are centerpieces of the display. The source of this ritual, as is the case with those of many other local popular beliefs and practices, precedes the introduction of Christianity, although it came in time to be associated with Orthodox Easter or with the Feast of the Ascension. In some variants it was performed on a precisely calculated day two to three weeks af

3D printed house

miraculous birth theme in multiple mythologies