Minerals

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Across
  1. 4. This is the softest mineral on Moh’s Hardness Scale
  2. 5. tendency of a mineral to break alone an even plane
  3. 7. The process by which ore is melted to separate the useful metal from other elementS
  4. 8. External energy source of the Earth
  5. 10. a hard, color mineral that has brilliancy and luster and are often polished into gems or used in industry
  6. 11. The amount of matter and object takes up
  7. 12. amount a space per unit volume
  8. 14. Internal energy source of the Earth
  9. 16. A mixture of two or more elements. Steel and brass are example of this
  10. 18. most common mineral in the Earth’s crust
  11. 19. thickest type of crust
  12. 20. substances that do not come from living things
Down
  1. 1. thickest layer of the earth
  2. 2. tendency of a mineral breaks unevenly
  3. 3. thinnest type of crust
  4. 6. A naturally occurring inorganic solid, that has a crystal structure and a definite chemical composition
  5. 9. amount of space in an object
  6. 13. Test that shows color of a powdered mineral
  7. 14. coolest layer of the earth
  8. 15. Least reliable way to ID a mineral
  9. 17. The only thing that can scratch a diamond is a ______