FREE: Geodes

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Description

The listing, Geodes 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

Questions & Comments

About the size of the top of a soda can

Dec 21st, 2015 at 3:50:26 PM PST by

Geodes is in the Other Stuff | Other category