Gabby Clement puzzle 10

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Across
  1. 7. a crystalline form of silica formed in the matrix of clay bodies
  2. 8. the glaze melts on the fired body and forms a vitreous surface
  3. 9. progressive partial fusion of a clay, or of a body, as a result of a firing process
  4. 13. used in glasses, glazes and ceramic bodies to lower the high melting point
  5. 14. the thermal expansion compatibility between glaze and clay body
  6. 15. when a substance in a product being fired has a lower burning point than what it is being fired with and burns away
  7. 17. the degree of fluidity
  8. 18. a fault that can occur during the firing of ceramic articles
Down
  1. 1. you glaze the inside of your greenware pot when it is leather hard and then the outside when it is bone dry.
  2. 2. a rare silicate mineral of post-clay genesis
  3. 3. a firing defect in which blisters form within a clay body, causing large lumps on the surface
  4. 4. formed by fusing inorganic materials into a glass by heating them
  5. 5. the sudden volume change in crystalline quartz particles
  6. 6. this is the period in the kiln firing where the final mechanical water is being removed
  7. 10. a flaw in ceramic ware attributed to the decomposition of iron pyrites
  8. 11. the degrading of ceramics due to interacton
  9. 12. any pottery that has been fired in a kiln without a ceramic glaze
  10. 16. includes drying of powder and shaped bodies