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  1. California - USGS State Mosaic
  2. Marble
  3. USA, Washington State, Sammamish, Close-Up Banded Agate
  4. Outback Abstract
  5. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  6. State Posters - North Carolina State Gemstone: Emerald
  7. The unique looking Fire Wave at dusk, taken at the Valley of Fire, near Las Vegas.
  8. Oregon - USGS State Mosaic
  9. Agate Sample
  10. Arizona, close-up of petrified wood
  11. Gamboge Agate II
  12. State Posters - South Carolina State Gemstone: Amethyst
  13. mineral
  14. Family Blessing - Sentiment
  15. Byrd Glacier - USGS Earth as Art
  16. Ammonite
  17. Amethyst
  18. Malachite
  19. Close-up of Condor Agate stone
  20. Lava Cliff
  21. Petrified Wood close-up
  22. Banded sandstone rock
  23. Banded Iron I
  24. Ganges River Delta - USGS Earth as Art
  25. Lake Disappointment - USGS Earth as Art
  26. Tiger Iron II
  27. Jordan - USGS Earth as Art
  28. State Posters - Arkansas State Mineral: Quartz
  29. Delaware - USGS State Mosaic
  30. Blue lace agate
  31. The Dardzha Monster - USGS Earth as Art
  32. Strata In Rock Formation Along Verzasca River
  33. Wyoming - USGS State Mosaic
  34. Ocean Jasper from Madagascar
  35. Coloured coastal rock
  36. Mt. Etna - USGS Earth as Art
  37. State Posters - Colorado State Mineral: Rhodochrosite
  38. Bolivian Deforestation - USGS Earth as Art
  39. Blue Gemstones Found Near Jodhpur
  40. Rock Formations In Mono Lake
  41. USA, Washington State, Sammamish, Close-Up Banded Agate
  42. Sandstone Formations in the Fiery Furnace, Arches National Park, Utah
  43. Illinois - USGS State Mosaic
  44. Excavation at Galeria
  45. Okavango Delta - USGS Earth as Art
  46. Strata In Rock Formation Along Verzasca River
  47. Swirl pattern on Deschutes Jasper Slab
  48. Impact - USGS Earth as Art