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  1. Jasper Agate Mixed slab
  2. Marble
  3. Okavango Delta - USGS Earth as Art
  4. Ganges River Delta - USGS Earth as Art
  5. mineral
  6. Tiger Iron II
  7. Virginia - USGS State Mosaic
  8. Small diamonds in row
  9. Puerto Rico - USGS State Mosaic
  10. Native copper
  11. Malachite
  12. Tiger Iron I
  13. Nebraska - USGS State Mosaic
  14. Mineralogie I
  15. Piute jasper
  16. Agate 4
  17. Lake Disappointment - USGS Earth as Art
  18. Healing Crystals II
  19. The Dardzha Monster - USGS Earth as Art
  20. State Posters - Colorado State Mineral: Rhodochrosite
  21. Malaspina Glacier - USGS Earth as Art
  22. Ocean Jasper from Madagascar
  23. Karman Vortices - USGS Earth as Art
  24. Illinois - USGS State Mosaic
  25. Colorado - USGS State Mosaic
  26. Blue lace agate
  27. Agate 3
  28. Gamboge Agate II
  29. Close-up of Condor Agate stone
  30. Pietersite from Namibia
  31. Close Ups Of Fortification On Crazy Lace Agate
  32. Impact - USGS Earth as Art
  33. Malachite
  34. Algerian Sahara - USGS Earth as Art
  35. Rhodochrosite, Argentina
  36. The Syrian Desert - USGS Earth as Art
  37. Peridot
  38. Himalayas - USGS Earth as Art
  39. Michigan - USGS State Mosaic
  40. New Mexico - USGS State Mosaic
  41. New Hampshire - USGS State Mosaic
  42. Jordan - USGS Earth as Art
  43. Ghostly Grease Ice - USGS Earth as Art
  44. Ice Stars - USGS Earth as Art
  45. Petrified Wood close-up
  46. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  47. Mineralogie III
  48. Australian Tiger Eye