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  1. Agate Studies I
  2. Sage Agate A
  3. Fortifications Crazy Lace Agate
  4. Sage Agate B
  5. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  6. Cherry Creek Jasper
  7. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper stone
  8. Condor Agate With Fortifcations
  9. Close-Up Royal Aztec Lace Agate
  10. Deschutes Jasper, Oregon
  11. Zig Zag Pattern Crazy Lace Agate
  12. Bismuth crystal
  13. Laguna Agate
  14. Rhodochrosite Mineral From China's Wuton Mine
  15. Grey Agate E
  16. Earth Agate F
  17. Agate Studies II
  18. Close Ups Of Fortification On Crazy Lace Agate
  19. Modern Geode I
  20. Glutamic acid crystals, light micrograph
  21. Stacked Agate II
  22. Plum Agate B
  23. Colorful Petrified Wood
  24. Stacked Agate I
  25. Grey Agate B
  26. Malachite
  27. Bolivia, Potosi, Amethyst in a Bolivian museum
  28. Cut and polished diamond
  29. Agate Studies III
  30. Fortifications Agua Nueva Agate
  31. Chrysocolla
  32. Shattuckite Jasper
  33. Purple Watercolor Agate II
  34. Amethyst crystals
  35. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  36. Agate Studies IV
  37. Rainbow Ridge Picture Agate
  38. Indigo Agate C
  39. Moss Agate
  40. Ocean Jasper
  41. Gem Stones III
  42. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  43. Agate Geode I
  44. Watercolor Agate I
  45. Purple Watercolor Agate I
  46. Gem Stones I
  47. Earth Agate E
  48. Earth Agate A