Rocks and gems

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Across
  1. 2. Marchs birthstone
  2. 4. Aprils birthstone
  3. 6. August birthstone
  4. 7. Januarys birthstone
  5. 9. Februarys birthstone
  6. 11. the study of rocks and minerals
  7. 13. June’s birthstone
  8. 14. September birthstone
  9. 17. a person that studies rock and minerals
Down
  1. 1. December birthstone
  2. 3. a large part of earth’s crust
  3. 5. October birthstone
  4. 7. a person that studies gems
  5. 8. july birthstone
  6. 10. a rock that goes though cementation
  7. 11. the study of gems
  8. 12. November birthstone
  9. 15. molten rock
  10. 16. Mays birthstone