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How many kinds of clay are there?

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Quick Answer

The four major classifications of clay are illite, cholrite, kaolinite and montmorillonite-smectite, but sub-types of clay exist in each group. Sub-types are a combination of these main groups and sometimes include other minerals. Clay is soil with fine grains composed of metal, silicate and organic particles, combined with water.

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How many kinds of clay are there?
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Full Answer

Clay has been used throughout history and serves a variety of purposes. Clay is commonly used by potters for making urns, dishware and decorative items. In its normal state, clay has a plasticity that is enhanced with water. Dry clay takes on a firm texture. When it is heated, such as in a kiln, its properties change, and it forms a ceramic material.

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