Skip to content
  • eMuseum
  • Community
    • Members
    • Groups
    • Forums
  • Resources
    • FOSSIL Resources
    • Destinations
    • K-12
    • Citizen Science
    • Events
    • About Us
    • Help
  • Login

Reply To: What minerals form the brachiopod geode crystals?

Homepage › Forums › What Is It? › What minerals form the brachiopod geode crystals? › Reply To: What minerals form the brachiopod geode crystals?

December 9, 2016 at 6:18 pm #16464
William Howat
Participant

The first one looks kind of like calcite to me…

…and the others look like Quartz, maybe with some Limonite (Iron Oxide)

myFOSSIL Logo

Development of myFOSSIL is based upon work largely supported by the National Science Foundation under Grant No. DRL-1322725. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.