Nick Ostrogradski Nick Ostrogradski

What is the difference between ceramics and porcelain?

Ceramics is a broad term that includes all fired clay objects—earthenware, stoneware, and porcelain. Porcelain is a specific type of ceramic made from fine kaolin clay, fired at very high temperatures. Porcelain is known for its whiteness, translucency, and strength.

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Nick Ostrogradski Nick Ostrogradski

What is bisque firing?

Bisque firing is the first firing in pottery, done at a lower temperature than glaze firing. Its purpose is to harden the clay so it’s easier to handle and decorate.

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Nick Ostrogradski Nick Ostrogradski

What is the difference between red clay and white clay?

Red clay, often earthenware, contains more iron, giving it a warm reddish-brown color. It’s traditionally used for decorative pieces and rustic pottery. White clay, such as porcelain or white stoneware, has fewer impurities and produces a lighter, more refined look.

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Nick Ostrogradski Nick Ostrogradski

What is glaze and how is it used to decorate pieces?

Glaze is a liquid mixture of minerals, glass particles, and pigments applied to bisque-fired ceramics. It serves two main purposes: making the surface waterproof and adding decorative color or texture.

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Nick Ostrogradski Nick Ostrogradski

What is firing and why is it necessary?

Firing is the process of heating clay in a kiln to very high temperatures, turning it from a soft, fragile material into a hard, durable ceramic.

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Nick Ostrogradski Nick Ostrogradski

What is hand-building and how is it different from wheel throwing?

Hand-building is a pottery technique where you shape clay using your hands and simple tools, without a potter’s wheel. Common methods include pinch pots, coil building, and slab construction. It’s a slower, more tactile process that allows for unique and organic forms.

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