Raku pottery has become a welcome, ceramic addition to studios, galleries and art shows, yet still remains a bit of a mystery to many of its admirers. Raku, translated to “joy” or “happiness”, is traditionally used in Japanese tea ceremonies, most often in the form of tea bowls. Though the process dates back as far as the 16th century, most of what we see today is considered Western or modern Raku.
Modern Raku is generally recognized by its characteristic rough finish and smokey, “oil slick” like, iridescent coloration or crackled glazes. Raku is created using a lightweight, sandy clay which is not fired as most ceramics are. Pieces are bisque fired, glaze is applied, then rapidly re-fired to approximately 1800 degrees. The pottery is then removed and introduced, while still red hot, into a reduction container (often a metal garbage can), filled with combustibles such as sawdust or newspaper, and smoldered – resulting in its unpredictable, unique outcome. Because of its porous nature, Raku is prone to fracturing known as crazing. Though this makes it more fragile, and the finished product is not generally water tight, the results are stunning.
If you are lucky enough to own a Raku piece, special care is needed to keep it looking bright. Never put water into a vase, a dried arrangement is best. Gently wipe your pieces with a soft, dry cloth when needed and avoid strong light which can fade the rich colors.
Childhood’s End carries Raku vases, urns, platters and wall pieces by several regional potters. click here to view.
Raku vase by Robert Ellert
Dave Deal - Raku firing process
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