Raku Moon

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Raku Sculpture and Raku Pottery created in Switzerland
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J.W.Gruber
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Original Raku Sculpture and Raku Pottery Created by Artist
J.W.Gruber

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Raku Sculpture Moon

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Raku Sculpture Moon

Raku Moon stands approx. 11 inches tall and was created from 2 slabs of a good robust raku clay. Raku is an Ancient Japanese Technique. The original formula white crackle glaze used here was created by my brother and worked beautifully. Sawdust was used to reduce the exposed clay to a nice charcoal black and penetration into the glaze crackle is excellent! This raku moon sculpture was inspired and created at my brother Milton's pottery in
La Chaux de Fonds Switzerland.
I've always felt a great inspiration when I work with my brother!

Raku Moon is covered with an original white crackle glaze formula which provided the crackled patterns. The glaze needed to stress crackle fairly consistently once it was removed from the kiln fire at approx. 1750 degrees F and placed into a tub full of sawdust igniting the sawdust in a blaze of fire. The resulting smoke then penetrated every area that was not glazed including the crackles in the glaze as it cooled. The black charcoal smoked appearance of the exposed clay is from the sawdust trying hard to burn against the glowing hot Raku sculpture. The smoke that's created from the wood trying to com-bust and starving for oxygen gets sucked into the porous body of the sculpture. Seeking out the oxygen to combust and steeling all that it can in the clay body before flaming out it leaves behind a carbon residue as a portrait of its gallant efforts. The smoke can only penetrate into the clay body through the surfaces that are not covered by the molten glass. As the molten glass cools it responds to the stress of the thermal shock by cracking in random stress release patterns. The cracks are then susceptible to the oxygen seeking fire. The final contrast is a spontaneous action that colors the sculpture its own unique moment. When a piece transcends the fire and smoke and is revealed for the first time I am thankful for being a part of its transformation
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