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  1. Desert Patterns - USGS Earth as Art
  2. Florida Everglades - USGS Earth as Art
  3. Zasite Stone With Rudby
  4. Christmas Jasper
  5. Veins
  6. Sea salt, SEM
  7. K/T boundary layer
  8. Ocean Jasper from Madagascar
  9. Marble
  10. North Carolina - USGS State Mosaic
  11. Marble
  12. Lava Cliff
  13. Coloured coastal rock
  14. Blue Gemstones Found Near Jodhpur
  15. Idaho - USGS State Mosaic
  16. Blue Cliff Chrysocolla
  17. Agate 9
  18. State Posters - Colorado State Mineral: Rhodochrosite
  19. Silica Circus
  20. Utah - USGS State Mosaic
  21. Gold nuggets
  22. The Optimist - USGS Earth as Art
  23. Pink Watercolor Agate III
  24. The unique looking Fire Wave at dusk, taken at the Valley of Fire, near Las Vegas.
  25. Close-up of Condor Agate stone
  26. Siberian Ribbons - USGS Earth as Art
  27. Malachite
  28. Michigan - USGS State Mosaic
  29. Caribbean Luxury - USGS Earth as Art
  30. Jordan - USGS Earth as Art
  31. High Angle View Of Basalt Rocks, Giant's Causeway, County Antrim, Northern Ireland
  32. Excavation at Galeria
  33. Colorado - USGS State Mosaic
  34. Collection of semiprecious gemstones
  35. Petrified Wood close-up
  36. Coastal rocks
  37. Gem Stones II
  38. Blue lace agate
  39. Malachite
  40. Lake Disappointment - USGS Earth as Art
  41. Pattern In Wet Stone
  42. Earth Pyramids, Italy
  43. Marble
  44. The Syrian Desert - USGS Earth as Art
  45. South Carolina - USGS State Mosaic
  46. Alabama - USGS State Mosaic
  47. A stack of stones
  48. Waziristan Hills - USGS Earth as Art