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Clay is a term used to describe a group of hydrous aluminum phyllosilicate (phyllosilicates being a subgroup of silicate minerals) minerals , that are typically less than 2 μm (micrometres) in diameter. Clay consists of a variety of phyllosilicate minerals rich in silicon and aluminum oxides and hydroxides which include variable amounts of structural water. Clays are generally formed by the chemical weathering of silicate-bearing rocks by carbonic acid but some are formed by hydrothermal activity. Clays are distinguished from other small particles present in soils such as silt by their small size, flake or layered shape, affinity for water and tendency toward high plasticity.

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15y ago
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11y ago

To answer this question you must first know the type of clay, there-in lies the answer:

Clay Types There are many types of clay.

Variances in clays are a direct result of the materials

that were broken down to form raw clay.

Porcelain clay

is one of the purer forms of clay,

basically composed of kaolin.

This type of clay vitrifies at higher temperature ranges

from 2300 degrees F.

and can withstand much higher firing temperatures

without melting or slumping.

Porcelain clay when fired is very white.

Stoneware clay is a courser form of high firing clay containing kaolin

as well as, lower firing clays.

It may also include iron, which results in it's off white to reddish appearance before and after firing.

This clay can also be formulated to withstand

temperatures equal to porcelain.

Earthenware clay is considered low fire clay. It vitrifies at much lower temperatures 1000 degrees F, but can melt to a liquid as low as 1300 degrees F. Deposits of clay can be found in their natural state that can be used to make pottery.

As with any natural deposit, it may not be consistent. Therefore, clay bodies, are generally formulated by using clays from different deposits and adding silica and feldspar to aid their plasticity and firing consistency.

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Q: What is a flat piece of clay?
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A slab of clay is a flat piece of clay rolled out. With a slab of clay, it is much easier to cut/trace things.


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Pinching is when you get a piece of clay and circle it and put your thumb in the middle like it your were making a thumbot and go round the edges and pulling and pinching out and up. you can also make them flat.


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Why does a solid piece of clay while a clay boat can be made to float?

The clay boat (like a steel ship) displaces its own weight in the water. So, as long as the sides of the clay boat (or steel ship) is above the water level, it will float. A solid piece of clay will (like a stone) sink immediately.


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It depends on how long you strecth it because clay an be rolled up to i think i foot!


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The clay boat (like a steel ship) displaces its own weight in the water. So, as long as the sides of the clay boat (or steel ship) is above the water level, it will float. A solid piece of clay will (like a stone) sink immediately.


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What is a flitter in the saying flat as a flitter?

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