Turquoise a Deep History

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Across
  1. 1. U.S. state rich in turquoise mines
  2. 2. Turquoise has a long one
  3. 5. Turquoise is set into this
  4. 6. High-grade turquoise has this
  5. 7. Ancient source of fine turquoise
  6. 9. Dark lines seen in some turquoise
  7. 10. Wore turquoise for safe journeys
  8. 11. Metal giving turquoise its blue hue
  9. 12. Turquoise is relatively this on Mohs scale
Down
  1. 1. Indigenous people who prized turquoise
  2. 3. Blue-green gemstone
  3. 4. Birthstone for this month
  4. 8. Worn for protection
  5. 10. Used by tribes as currency
  6. 12. Color often linked with turquoise