Minerals, Crystals, Elements

Edit Answers
123456789101112131415161718192021
Across
  1. 2. Fe
  2. 5. Black mineral formed by cooling of lava, distinct plane of cleavage
  3. 6. Diamonds and organic matter are made of this Element
  4. 8. The 92nd element on the periodic table
  5. 11. Pencil lead
  6. 13. 3 inclined axis
  7. 16. 5 on Mo's hardness scale
  8. 17. Yellow native mineral with a distinct smell
  9. 18. six sided cyrstal form
  10. 19. 10 on Moh's hardness scale
  11. 21. 1 on Moh's hardness scale
Down
  1. 1. 1 oxygen atom surrounded by 4 silicon atoms
  2. 3. Native mineral more valuable than Gold, often mistaken for Silver
  3. 4. Mineral name of Emerald
  4. 7. Mineral name of Fertilizer
  5. 9. Most wires are made of ________
  6. 10. Crystal form of Halite
  7. 12. 7 on Moh's hardness scale
  8. 14. Mineral name of Ruby and Sapphire
  9. 15. Mineral name of table salt
  10. 17. Color of powder when a mineral is rubbed against a unglazed porcelain tile
  11. 20. Name of underground lava