Homepage › Forums › What Is It? › What minerals form the brachiopod geode crystals? › Reply To: What minerals form the brachiopod geode crystals?
December 18, 2016 at 10:30 am
#16873
Matteo Di Angelo
Participant
@jkallmeyer I just said that the identification of minerals on the photos is quite a difficult task. 🙂 Mineralogy was my hobby at school, and I had a small collection.