Across
- 3. common name of sodium aluminium fluoride
- 7. common name of the ore hydrated aluminium oxide
- 8. other word for matrix
- 9. naturally occurring mineral from which metal can be extracted profitably
- 11. compounds of various metals with earthly impurities
- 12. an example for a non magnetic ore
Down
- 1. name of the concentration process based on preferential wetting of ore with oil
- 2. another name for the concentration of ore
- 4. common name of the ore zinc carbonate
- 5. common name of the ore tri iron tetroxide
- 6. removal of impurities based on difference in density
- 10. rocky impurities associated with ore