Gabby Clement puzzle 10

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Across
  1. 3. used in glasses, glazes and ceramic bodies to lower the high melting point
  2. 4. any pottery that has been fired in a kiln without a ceramic glaze
  3. 7. you glaze the inside of your greenware pot when it is leather hard and then the outside when it is bone dry.
  4. 8. the thermal expansion compatibility between glaze and clay body
  5. 11. this is the period in the kiln firing where the final mechanical water is being removed
  6. 13. the degrading of ceramics due to interacton
Down
  1. 1. a crystalline form of silica formed in the matrix of clay bodies
  2. 2. a fault that can occur during the firing of ceramic articles
  3. 4. a firing defect in which blisters form within a clay body, causing large lumps on the surface
  4. 5. the sudden volume change in crystalline quartz particles
  5. 6. a rare silicate mineral of post-clay genesis
  6. 9. the degree of fluidity
  7. 10. a flaw in ceramic ware attributed to the decomposition of iron pyrites
  8. 12. the glaze melts on the fired body and forms a vitreous surface