Emily Frentzel - Puzzle 2
Across
- 1. will not withstand high temperature but break down with heat and melt before
- 3. are also used for slipware
- 6. will withstand a high temperature without deformation
- 8. are silicate minerals of similar plate-like structure to kaolinite
- 10. tend to be short when they are sufficiently pure and white
- 12. contain iron oxide in reduced state
- 13. the capacity to withstand thermal shock
- 14. mature slowly during firing
- 15. can be stained with metal oxides and prepared stains to give other colours
- 17. based upon the clay crystal structure
- 20. fired to provide a strong product which is porous
- 22. capable of being the basis of minerals
- 23. granite bosses which form upland areas
Down
- 1. often added to bodies for the textural effects
- 2. clay with low plasticity
- 4. by hydrolization becomes clay, silica, and a salt
- 5. in plastic clay there is also water in the holes between the particles
- 7. have an end product of clay
- 9. have been deposited in their present position by the action of water and ice
- 11. a classification of a property which can be possessed by any clay
- 13. a rust from red iron oxide
- 15. complex mixture and combination of minerals
- 16. the end products of a chain of reactions
- 18. previously sedimented clays which have been subjected to pressure
- 19. can be mined from the position in which they decomposed from the parent rock
- 21. include china clay for whiteness and some ball clay for whiteness and some ball clay for strength