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  1. Marble
  2. Okavango Delta - USGS Earth as Art
  3. Marble
  4. Dragon Lake - USGS Earth as Art
  5. mineral
  6. The Syrian Desert - USGS Earth as Art
  7. Ocean Jasper from Madagascar
  8. Volcanoes - USGS Earth as Art
  9. Sea salt, SEM
  10. Mineralogie III
  11. Ganges River Delta - USGS Earth as Art
  12. Tiger Iron II
  13. Malachite
  14. Stone surface
  15. Desert Patterns - USGS Earth as Art
  16. The Dardzha Monster - USGS Earth as Art
  17. Native copper
  18. The unique looking Fire Wave at dusk, taken at the Valley of Fire, near Las Vegas.
  19. Virginia - USGS State Mosaic
  20. Impact - USGS Earth as Art
  21. Nebraska - USGS State Mosaic
  22. Jasper Agate Mixed slab
  23. Small diamonds in row
  24. Geode Abstract III
  25. Zasite Stone With Rudby
  26. Malaspina Glacier - USGS Earth as Art
  27. Piute jasper
  28. State Posters - Colorado State Mineral: Rhodochrosite
  29. Petrified Wood close-up
  30. Colorado - USGS State Mosaic
  31. Illinois - USGS State Mosaic
  32. Close-up of Condor Agate stone
  33. Blue lace agate
  34. Agate 3
  35. Karman Vortices - USGS Earth as Art
  36. Gamboge Agate II
  37. Healing Crystals II
  38. Marble
  39. Jordan - USGS Earth as Art
  40. Oregon. Close-up of Owyhee Picture Jasper stone
  41. Peridot
  42. Close up of mineral rock
  43. Michigan - USGS State Mosaic
  44. Agate 4
  45. Pietersite from Namibia
  46. Tiger Iron I
  47. Close-up of gilded surface
  48. State Posters - South Carolina State Gemstone: Amethyst