A geode.
There are multiple ferns that are rare in the world. It is unknown which is the rarest. Some of these rare ferns include the pumice moonwort, the ribbon fern, and the pumice grape fern.
it is a red diamond
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.
what is the rarest wood in the world?
the empress geode of urnguary
A geode with a flint in it is called a "nodule".
it depends where you live but the rarest is a Fennec fox
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.
francium is the rarest atom. there are only about 20 in the whole world!!
The world's rarest dog breed is the New Guinea Singing Dog.
a geode bro