FREE: Geodes A Very Cool Rock
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The listing, Geodes A Very Cool Rock has ended.
Geodes are like the Tootsie Roll Pop of the geology world because underneath the hard exterior lies a surprise center!Hollow Rocks
So, let’s start at the beginning: how do you get a hollow rock with lots of sparkling crystals inside? First you need a hollow rock. Geodes start their lives as a hollow bubble inside a layer of rock. The bubble could be from air inside explosive volcanic rock
Geodes A Very Cool Rock is in the Other Stuff | Other category