Gabby Clement puzzle

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Across
  1. 2. adding other things to clay after you dig it up
  2. 3. melts at 2102-2372f
  3. 4. a high temperature polymorph of silica with a crystal structure
  4. 7. a group of clay that consist of china, earthenware,stoneware,or tile
  5. 9. up to 25% of clay body,fuses at 2282f
  6. 10. the mineral form of silica powder used in ceramic glazes and clay bodies
  7. 12. often used in clay bodies instead of grog
  8. 13. The material that acts as a hardener in glass, glazes, clays and all ceramic materials.
  9. 14. formed when exposed to high heat and pressure, causing change
  10. 15. alters the vitrification temperature of the clay
  11. 16. the cracking that occurs in fired ceramic bodies
Down
  1. 1. melts at 2102- 2372f
  2. 2. a crystalline form of silica, also available as a powder
  3. 5. table a table of elements arranged in an informative array
  4. 6. having a shiny surface or coating
  5. 8. makes two pieces come together, like a resin
  6. 9. a form of quartz and has a different form of physical appearance
  7. 11. done to mature the clay and give the clay oppurtunity to heal imperfections
  8. 13. room temperature quartz
  9. 17. used to add texture or add gritty