Rocks and Minerals Crossword Puzzle

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Across
  1. 3. yellow, white fine-grained
  2. 4. white, sugary texture
  3. 8. fine-grained, pinkish color
  4. 10. light colored, possible banding
  5. 11. black clay, source of energy
  6. 15. black with small crystals
  7. 17. black, fine-grained, layered
  8. 18. coarse grained, pale green/red, two minerals
  9. 20. dark colored, numerous holes
  10. 21. gray, fine-grained, layered
Down
  1. 1. white, powdery
  2. 2. black and white banding
  3. 5. coarse grained, very rare to find
  4. 6. fine grained, gray, crystalline
  5. 7. black, light weight
  6. 9. fine layers, visible crystals
  7. 12. pink color, coarse-grained
  8. 13. dark colored, evident crystals
  9. 14. sandy texture
  10. 16. black, glassy
  11. 19. speckled, white and black