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  1. Turquoise gemstone
  2. California Jasper
  3. Volcanoes - USGS Earth as Art
  4. Ice Stars - USGS Earth as Art
  5. Minnesota - USGS State Mosaic
  6. Vermont - USGS State Mosaic
  7. Oregon, Owyhee. Close-up of picture jasper stone
  8. Dragon Lake - USGS Earth as Art
  9. Oregon. Close-up of Owyhee Picture Jasper stone
  10. Mineral Rings Geode
  11. Pietersite
  12. Gold Leaf Agate
  13. Amethyst
  14. USA, Washington State, Sammamish, Close-Up Banded Agate
  15. Abstract Artificial Crystals On Glass
  16. Earth Agate E
  17. Parana River Delta - USGS Earth as Art
  18. Sea salt, SEM
  19. Twists
  20. Stratified rock at Agio Pavlos, island of Crete, Greece, Mediterranean
  21. Ocean Jasper from Madagascar
  22. Island Rebound - USGS Earth as Art
  23. Montana - USGS State Mosaic
  24. Phthalo Blue Agate II
  25. Jasper Agate Mixed slab
  26. New Hampshire - USGS State Mosaic
  27. Rugged Terrain - USGS Earth as Art
  28. Ghostly Grease Ice - USGS Earth as Art
  29. Gemstones
  30. Waziristan Hills - USGS Earth as Art
  31. Close-Up Of Fortification Laguna Agate
  32. Marble
  33. Veins
  34. Mineral Spirit VI
  35. Molecular model of quartz
  36. Malaspina Glacier - USGS Earth as Art
  37. Circle pattern of Onyx Stone
  38. Stone surface
  39. Siberian Ribbons - USGS Earth as Art
  40. Rocky Mountains - USGS Earth as Art
  41. Mineralogie III
  42. Zasite Stone With Rudby
  43. Spilled Paint - USGS Earth as Art
  44. Healing Crystals II
  45. New Mexico - USGS State Mosaic
  46. Puerto Rico - USGS State Mosaic
  47. Northern Norway - USGS Earth as Art
  48. Petrified Wood close-up