Agates, Fossils and Gems
Agates
- Agate Bibliography
- Agate Glossary
- Agate Lexicon (Agate Lexicon and Glossary of Agate, Jasper, Opal and other Amorphous, Cryptocrystalline, or Spherulitic Forms of Gem Silicon Dioxide)
- Agate Page Introduction; or go straight to the Agate Page Database.
Fossils
- Fossil Fish from Nebraska
- Nebraska Invertebrate Fossils
- Range and Distribution of Nebraska's Invertebrate Fossils Crinoids, Introduction; or go straight to the Crinoids Database.
Gems
- Nebraska Gems Introduction, or go straight to the Nebraska Gems Database.
- Traditional Birthstones
