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To fully understand the Raku Firing Process, one would have to delve into and study Japanese culture. Raku is deeply
associated and intertwined with the ancient Japanese tea ceremony. Serving and drinking tea using Raku fired bowls is
an age old “happening” that is still performed in some areas of Japan. Tradition, religion, attitude and philosophy of life
are all integral parts of the process.
The Raku Firing Process involves a special kiln, that can be raised and lowered over the pieces to be fired. Raku glazes
contain a lot of copper that gives the fired pieces: green, red, blue and copper shades. The temperature is rather
quickly run up to about 1800-2000 degrees F and then the kiln is raised, revealing red hot pieces standing there. The
piece then placed in a bucket containing combustible materials. As soon as the red hot piece comes in contact with the
combustible materials, spontaneous combustion occurs. The lid is put over the can tightly in order to make reduction
atmosphere and let the flames seek for the oxygen removing it from the glaze and clay body of the piece. The result is
black clay body and very interesting colors on the piece. Depending on the type of combustible materials, the glaze
composition and the time in the can, no two pieces of Raku will ever be the same. It 's like Christmas! After the piece is
removed from the can and sprinkled with water and the colors are then “set”.
Raku ceramics by their creative process and their very nature serve only for decorative purposes and are not intended to
be used for food or tea !




SUNFLOWER
NOT FOR SALE
"Integration" Thrown on the wheel and altered, multi-layered
glazing, naked-raku process, fired multiple times in electric
and raku kilns; pedestal is hand-built from walnut wood,
altered to fit the bowl. Designed by Elena Miller. Wood
work is done by wood artist Gregg Straitmatter. NOT FOR
SALE
Elena and her teacher
and a friend LisaPaytes
creating magic..
Raku Glaze Alkaline Blue
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Frit 3110 70 Gerstley Borate 5 Flint (Silica) 10 Soda Ash 10 EPK 5 Copper Carbonate 3
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Turquoise where thick Yellow where very thin
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Basic White Crackle
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Gerstley Borate 65 Tennessee Ball Clay 5 Nepheline Syenite 15 Tin Oxide 10 Flint 5
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Apply it thick and you will get a nice bright, opaque white
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Gun Metal
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Gerstley Borate 3 parts Nepheline Syenite 1 part Copper Carbonate 3 parts Red Iron Oxide 3 parts
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Rich Oranges Greens & Purples
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Hawaiian Blue
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Gerstley Borate 80 Bone Ash 20 Copper Carbonate 10 Cobalt Oxide 5 Tin Oxide 2.6
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Matt, Nice Blue to Copper Flashing, Glossy at higher temperatures.
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Naked Raku Chip n Slip
Glaze
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Fire clay 40 #6 Tile clay 30 Custer feldspar 10 Grog ( 28 mesh) from 10 to 20
Ferro Fritt 3110 70 Gerstly Borate 30
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Apply one coat, consistency like thick sour cream. Removes easily. Produces interesting designs.
Glaze mix should be very thin like milk. One coat application.
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My favorite Raku Glazes
ReductionFire
Oxidation Fire
“Celebrating Life”; hand-built from
slabs, multiple glazing; , raku fire.d NOT
FOR SALE
"Terra Firma Family”: hand-built; multi-media, raku firing. Not for Sale
Raku Ceramic Gallery