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  1. Peridot
  2. Agate Sample
  3. Gold Leaf Agate
  4. Banded Iron I
  5. Oregon - USGS State Mosaic
  6. Oregon. Close-up of Owyhee Picture Jasper stone
  7. Strata In Rock Formation Along Verzasca River
  8. Stone Sliver II
  9. Close-up of polychromic sandstone rock patterns, Petra, Jordan, Middle East
  10. Tweezers holding small purple gem, close-up
  11. Lake Eyre - USGS Earth as Art
  12. Swirl pattern on Deschutes Jasper Slab
  13. Bismuth crystal
  14. Healing Crystal II
  15. Colorful Petrified Dinosaur Bone
  16. Alaska - USGS State Mosaic
  17. Barreal Blanco - USGS Earth as Art
  18. Yellowstone
  19. South Dakota - USGS State Mosaic
  20. Granite I
  21. State Posters - South Carolina State Gemstone: Amethyst
  22. Coloured coastal rock
  23. Gold core sample
  24. Marble
  25. Circle pattern of Onyx Stone
  26. Earthy Minerals
  27. Arizona, close-up of petrified wood
  28. Australia - USGS Earth as Art
  29. Rugged Terrain - USGS Earth as Art
  30. Silica Circus
  31. Stratified rock at Agio Pavlos, island of Crete, Greece, Mediterranean
  32. High Angle View Of Basalt Rocks, Giant's Causeway, County Antrim, Northern Ireland
  33. Healing Crystals I
  34. Purple II
  35. Gem Stones II
  36. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  37. Aleutian Clouds - USGS Earth as Art
  38. mineral
  39. Stone Sliver I
  40. Atlas Mountains - USGS Earth as Art
  41. Granite II
  42. Kamchatka Peninsula - USGS Earth as Art
  43. Zasite Stone With Rudby
  44. Sanduba marble
  45. Niger River - USGS Earth as Art
  46. Konari, Iran - USGS Earth as Art
  47. Agate 2
  48. Ammonite