A geode.
No. A geode is not a shape; it is a kind of rock with a hollow interior filled with crystals. Earth's shape is an oblate spheroid.
There is no such thing as a pumice geode. Pumice and geodes form under completely different conditions.
minerals
steps for transplanting seedlings
the empress geode of urnguary
A geode with a flint in it is called a "nodule".
The geode crystal for February is Amethyst
Geode is a rock or stone with crystals.
a geode
I'm taking this geode with me.
The found the geode while travelling through the caves. This is a sentence containing the word geode.
a geode bro
Geode is a rock or stone with crystals.
I have a geode which has been cut in half and polished
A geode.
A geode is a hollow stone found on the earth that is lined on the inside with crystals.