minerals Nik Masotti

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Across
  1. 2. a rare mineral that doesn't rust
  2. 4. the colour of the mark left by scraping the mineral on a white unglazed tile
  3. 7. physical property based on ability to scratch particular mineral
  4. 9. represented as 'C' on the periodic table
  5. 10. how shiny a mineral is
Down
  1. 1. used for wiring and represented as 'Cu' on the periodic table
  2. 3. the hardest substance
  3. 5. the colour a mineral glows when heated to a high temperature in a flame
  4. 6. rocks containing minerals
  5. 8. used to create electricity