Samples for “The Science and Art of Geology”



Have you enrolled in our class, The Science and Art of Geology? If so, here are samples to accompany the class! The samples are not required for the class. But they will help to demonstrate the different topics covered in the videos. The 12 Samples include:

  • Geode
  • Thunder egg
  • Concretion or nodule
  • Rough agate
  • 4 Polished agates
  • 2 Opals
  • Travertine (showing evidence of cyanobacteria)
  • Crystal

Samples in the picture are representative samples only.

Shipping included.

All prices are in US dollars.  For international shipping please contact us at or 425-488-6848.


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