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  1. Flourite
  2. Impact - USGS Earth as Art
  3. Quartz crystals
  4. Malachite
  5. Native copper
  6. K/T boundary layer
  7. Sapphire
  8. Marble
  9. Pietersite from Namibia
  10. Peridot
  11. Yukon Delta - USGS Earth as Art
  12. Volcanic ash layers in rock
  13. Alluvial Fan - USGS Earth as Art
  14. Sandstone Formations On The Banks Of The Missouri
  15. Coloured coastal rock
  16. Meighen Island - USGS Earth as Art
  17. Marble
  18. Earth Pyramids, Italy
  19. Colorful Petrified Dinosaur Bone
  20. Rock wall from road cut, Icefields Parkway, Alberta, Canada
  21. Garden City, Kansas - USGS Earth as Art
  22. Quartz
  23. Marble
  24. Edrengiyn Nuruu - USGS Earth as Art
  25. Chemicals and rock samples in Darwin's study
  26. Pietersite from Namibia
  27. Close-up of polychromic sandstone rock patterns, Petra, Jordan, Middle East
  28. Tourmaline
  29. Coastal rocks
  30. Australia - USGS Earth as Art