NMC469Y1 Lecture : Fundamental Pottery Technology
10 Oct 2011
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Document Summary
The earth: animal, vegetable, mineral, all of these can find their way into pottery, primarily mineral. **what is a mineral: a single crystalline phase in inorganic nature, crystalline phase. Single phase: may not be broken down mechanically into its components: atomic structure, not a gas, solid or liquid state, crystalline state in which all atoms are bound into a rigid network extending in 3 dimensions. Inorganic - in environment and usually but not always origins: nature - it is not like some synthetic materials that behave differently in nature. Ionic bonding: nacl, cation - na, anion - cl sulphates, calcite: caco3, gypsum: caso4 2h2o. Sometimes the anion may be an anionic group kept together by covalent bonds (carbonates and.
