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  1. Garden City, Kansas - USGS Earth as Art
  2. Yukon Delta - USGS Earth as Art
  3. Close-up of gilded surface
  4. Bolivian Deforestation - USGS Earth as Art
  5. Close up of mineral rock
  6. Chemicals and rock samples in Darwin's study
  7. Fire Opal from Australia
  8. Edrengiyn Nuruu - USGS Earth as Art
  9. Strata In Rock Formation Along Verzasca River
  10. Oregon. Close-up of Owyhee Picture Jasper stone
  11. Close-up of polychromic sandstone rock patterns, Petra, Jordan, Middle East
  12. Molecular model of quartz
  13. Amethyst crystals
  14. Quartz
  15. Blue Chrysocolla Jasper
  16. Alabama - USGS State Mosaic
  17. Akpatok Island - USGS Earth as Art
  18. Strata In Rock Formation Along Verzasca River
  19. Silver Lace Onyx
  20. Granite I
  21. The Optimist - USGS Earth as Art
  22. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  23. Agate Sample
  24. Pietersite from Namibia
  25. Glacial sand deposit
  26. Marble
  27. San Luis, Argentina - USGS Earth as Art
  28. Rocky Mountains - USGS Earth as Art
  29. Wyoming - USGS State Mosaic
  30. Marble
  31. Roof of the World - USGS Earth as Art
  32. Mt. Etna - USGS Earth as Art
  33. Healing Crystal I
  34. Oregon - USGS State Mosaic
  35. Healing Crystal II
  36. Tweezers holding small purple gem, close-up
  37. Gold Leaf Agate
  38. Colorful Petrified Dinosaur Bone
  39. Barreal Blanco - USGS Earth as Art
  40. Alaska - USGS State Mosaic
  41. Swirl pattern on Deschutes Jasper Slab
  42. Purple II
  43. Arizona, close-up of petrified wood
  44. Stratified rock at Agio Pavlos, island of Crete, Greece, Mediterranean
  45. Circle pattern of Onyx Stone
  46. Marble
  47. Australia - USGS Earth as Art
  48. Family Blessing - Sentiment