Skip Menu. Navigate to content in this page
Accessibility Assistance, opens A D A page
  1. Meandering Mississippi - USGS Earth as Art
  2. Wingate Pass Agate, Ca
  3. Spilled Paint - USGS Earth as Art
  4. Blue Cliff Chrysocolla
  5. Lapis Lazuli Agate II
  6. Autumn Agate I
  7. Phthalo Blue Agate II
  8. Twists
  9. Lena Delta - USGS Earth as Art
  10. Blood Orange Agate II
  11. Cadmium Orange Agate I
  12. Amethyst
  13. Gem Stones III
  14. Cut agates
  15. Indigo Agate D
  16. Opal gemstones
  17. Gold nugget held in tweezers
  18. Rarity IV
  19. Photography of agate, Stone material, Close Up
  20. Petrified Wood close-up
  21. Close-Up Of Fortification Laguna Agate
  22. Christmas Jasper
  23. Turquoise gemstone
  24. Amethyst
  25. Agate 9
  26. Jewels
  27. Natural Agate II
  28. Kentucky - USGS State Mosaic
  29. Gem Stones I
  30. Arkansas - USGS State Mosaic
  31. Quartz crystals
  32. View of rocks in water
  33. Purple I
  34. Paisley Agate
  35. Flowering tube onyx, Mexico
  36. Poppy Jasper
  37. Indigo Agate II
  38. Geode Abstract II
  39. Parana River Delta - USGS Earth as Art
  40. Sagenite On Mexican Agate
  41. Utah - USGS State Mosaic
  42. Argento marble
  43. Oregon, Owyhee. Close-up of picture jasper stone
  44. Marble
  45. Siberian Ribbons - USGS Earth as Art
  46. Andes - USGS Earth as Art
  47. Blue reflective mineral texture
  48. Idaho - USGS State Mosaic