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  1. Australia - USGS Earth as Art
  2. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  3. Glacial sand deposit
  4. Ocean Jasper from Madagascar
  5. Vermont - USGS State Mosaic
  6. Close Ups Of Fortification On Crazy Lace Agate
  7. Purple II
  8. Strata In Rock Formation Along Verzasca River
  9. Rocky Mountains - USGS Earth as Art
  10. Alaska - USGS State Mosaic
  11. Meandering Mississippi - USGS Earth as Art
  12. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  13. Gamboge Agate II
  14. San Luis, Argentina - USGS Earth as Art
  15. Stratified rock at Agio Pavlos, island of Crete, Greece, Mediterranean
  16. Strata In Rock Formation Along Verzasca River
  17. Barreal Blanco - USGS Earth as Art
  18. Family Blessing - Sentiment
  19. Tweezers holding small purple gem, close-up
  20. Marble
  21. Bismuth crystal
  22. Florida Everglades - USGS Earth as Art
  23. Marble
  24. Marble
  25. Colorado - USGS State Mosaic
  26. Oklahoma - USGS State Mosaic
  27. Blue Gemstones Found Near Jodhpur
  28. Banded Iron I
  29. Quartz crystals
  30. mineral
  31. Arizona, close-up of petrified wood
  32. Agate Sample
  33. The Syrian Desert - USGS Earth as Art
  34. Aqua Mineral
  35. Gold core sample
  36. Okavango Delta - USGS Earth as Art
  37. Ammonite
  38. Sanduba marble
  39. Marble
  40. Waziristan Hills - USGS Earth as Art
  41. Jordan - USGS Earth as Art
  42. Ganges River Delta - USGS Earth as Art
  43. Coloured coastal rock
  44. Petrified Wood close-up
  45. Delaware - USGS State Mosaic
  46. Malaspina Glacier - USGS Earth as Art
  47. Native copper
  48. Banded sandstone rock