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  1. Lava Cliff
  2. Nebraska - USGS State Mosaic
  3. Coahuila, Mexico - USGS Earth as Art
  4. Blue lace agate
  5. California - USGS State Mosaic
  6. Marble
  7. State Posters - Colorado State Mineral: Rhodochrosite
  8. Malachite
  9. Ocean Jasper from Madagascar
  10. Sandstone Formations in the Fiery Furnace, Arches National Park, Utah
  11. The Dardzha Monster - USGS Earth as Art
  12. Excavation at Galeria
  13. Byrd Glacier - USGS Earth as Art
  14. Washington - USGS State Mosaic
  15. Marble
  16. K/T boundary layer
  17. Flourite
  18. Ocean Jasper from Madagascar
  19. State Posters - North Carolina State Gemstone: Emerald
  20. Lake Disappointment - USGS Earth as Art
  21. Rock wall from road cut, Icefields Parkway, Alberta, Canada
  22. Earth Pyramids, Italy
  23. State Posters - Arkansas State Mineral: Quartz
  24. Sapphire
  25. Volcanic ash layers in rock
  26. Marble
  27. Marble
  28. Coloured coastal rock
  29. Tourmaline
  30. Meighen Island - USGS Earth as Art
  31. Sandstone Formations On The Banks Of The Missouri
  32. Alluvial Fan - USGS Earth as Art
  33. Closeup of granite
  34. Yukon Delta - USGS Earth as Art
  35. Bolivian Deforestation - USGS Earth as Art
  36. Garden City, Kansas - USGS Earth as Art
  37. Chemicals and rock samples in Darwin's study
  38. Edrengiyn Nuruu - USGS Earth as Art
  39. Quartz
  40. Coastal rocks
  41. Rock Formations In Mono Lake