TERRACOTTA vs STONEWARE
|5" TERRACOTTA vs 5" STONEWARE RAKU O-POT|
The difference is the mud, and how much heat that 'dried mud' can take before it melts. The terra cotta or 'earthen ware' pottery we see in big box stores, usually begins as a mud slurry made from water, talc and rust-red clay. It's poured into molds, dried, removed from the molds and kiln-fired one time.
Our raku stoneware begins with Kentucky stone powder, crushed pottery or 'grog', fine sand and water. These lumps of clay are wheel-thrown, dried and kiln-fired. Then the pottery is fired again in a propane raku kiln. The low-oxygen atmosphere inside the kiln alters the stoneware, making it more porous.
|SPIRIT LINE POTTERY, RAKU KILN, 1850*F|
The stoneware pottery comes out @ 1850*F, and goes into metal buckets filled with organic cedar shavings, and newspaper printed with soy ink. The flames go up, the lids go on, and the pottery is infused with natural color.
|SPIRITLINEPOTTERY.COM, RAKU FIRING|
These are a few of our finished raku stoneware orchid pots. Rugged and primitive, each is different from the next. Infused with carbon, the char cleans the water by increasing oxygen, like horticultural charcoal.
|SPIRITLINEPOTTERY.COM, 6" x 6" UNGLAZED RAKU ORCHID POTTERY|
|SPIRITLINEPOTTERY.COM, 6" x 6" RAKU ORCHID POTTERY|
|SPIRITLINEPOTTERY.COM, UNGLAZED RAKU ORCHID POTTERY|