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Grolleg kaolin

Posted On December 11, 2008 0 Comments
  Al2O3×2SiO2×2H2O—English kaolin, more costly than other choices in the United States, but gives whiter porcelain. Less plastic than TILE-6. Best kaolin for translucent bone china. Source: Clay: A Studio Handbook

grog

Posted On December 11, 2008 0 Comments
  Crushed high-fired clay graded in sizes from 15-mesh (very coarse) to 150M (extra fine) added as a source of filler or tempering grit to claybodies to reduce shrinkage and give structure for throwing or handbuilding. Does not shrink in firing, so in medium and coarse grades will show texture through thin to medium glaze…. Read More »

green; greenware

Posted On December 11, 2008 0 Comments
  Any dry, unfired clay form. Source: Clay: A Studio Handbook

green glazing; raw glazing

Posted On December 11, 2008 0 Comments
  Glazing leather-hard or bone-dry wares for single-firing. Source: Clay: A Studio Handbook

green firing; single-firing

Posted On December 11, 2008 0 Comments
  Process of glaze-firing glazed greenware without a bisque-firing.  Source: Clay: A Studio Handbook

grate kiln

Posted On December 11, 2008 0 Comments
  An early form of kiln originating in the Middle East, with a below-ground firebox, a grate supporting the wares within a cylindrical enclosure, and a piled shard roof. Source: Clay: A Studio Handbook

graniteware

Posted On December 11, 2008 0 Comments
  Ware with mottled slip or glaze treatment to create appearance of granite. Source: Clay: A Studio Handbook

Goldart

Posted On December 11, 2008 0 Comments
  Buff stoneware clay, produced by Cedar Heights Clay Company. Source: Clay: A Studio Handbook

glycerin; glycerol

Posted On December 11, 2008 0 Comments
  An organic gum derived from fats and oils, sometimes used as brushing medium for engobes or for reglazing fired wares. Also used as a lubricant in burnishing. For applying glazes to glaze-fired or vitrified surfaces, add one teaspoon glycerin to 100 grams dry glaze. Source: Clay: A Studio Handbook

Glomax

Posted On December 11, 2008 0 Comments
  Calcined kaolin. See EPK, calcined. Source: Clay: A Studio Handbook