Gabby Clement puzzle 10

5. you glaze the inside of your greenware pot when it is leather hard and then the outside when it is bone dry.
9. a crystalline form of silica formed in the matrix of clay bodies
10. a fault that can occur during the firing of ceramic articles
11. the cracking that occurs in fired ceramic bodies due to stress
12. when a substance in a product being fired has a lower burning point than what it is being fired with and burns away
15. formed by fusing inorganic materials into a glass by heating them
16. the glaze melts on the fired body and forms a vitreous surface
17. a flaw in ceramic ware attributed to the decomposition of iron pyrites

1. the sudden volume change in crystalline quartz particles
2. a firing defect in which blisters form within a clay body, causing large lumps on the surface
3. a rare silicate mineral of post-clay genesis
4. used in glasses, glazes and ceramic bodies to lower the high melting point
6. this is the period in the kiln firing where the final mechanical water is being removed
7. the thermal expansion compatibility between glaze and clay body
8. the degree of fluidity
10. the degrading of ceramics due to interacton
11. includes drying of powder and shaped bodies
13. any pottery that has been fired in a kiln without a ceramic glaze
14. progressive partial fusion of a clay, or of a body, as a result of a firing process