Ch 4 Minerals

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Across
  1. 1. Second mineral on the Moh's hardness scale
  2. 6. Valuable mineral prized for its rarity and beauty
  3. 7. Fourth mineral on the Moh's hardness scale
  4. 9. Tenth mineral on the Moh's hardness scale
  5. 10. The way a mineral reflects light from its surface
  6. 11. Color a mineral leaves when it is rubbed along a porcelain plate
  7. 12. Manner in which a mineral breaks along a plane
  8. 14. Geometric solid having four sides that are equal triangles
  9. 15. Measure of how easily a mineral can be scratched
  10. 17. When a mineral breaks into pieces with uneven edges
  11. 19. Third mineral on the Moh's hardness scale
  12. 20. Eighth mineral on the Moh's hardness scale
Down
  1. 2. naturally occurring inorganic solid made of elements and a crystal shape
  2. 3. Solid in which atoms are arranged into repeating patterns
  3. 4. Mineral that contains silicon and oxygen
  4. 5. Sixth mineral on the Moh's hardness scale
  5. 8. First mineral on the Moh's hardness scale
  6. 12. Ninth mineral on the Moh's hardness scale
  7. 13. Valuable mineral with a substance that can be mined for a profit
  8. 16. Fifth mineral on the Moh's hardness scale
  9. 18. Seventh mineral on the Moh's hardness scale