geodes
gee-odes
noun
Hollow, rounded rock formations containing an internal lining of crystals or other minerals.
"We found beautiful geodes on our geology field trip."
Thesaurus
Synonyms: geode
gee-odes
Hollow, rounded rock formations containing an internal lining of crystals or other minerals.
"We found beautiful geodes on our geology field trip."
Synonyms: geode