Deep underground, hidden in simple lumps of sedimentary rocks you can find incredible caches of crystals. These rocks are known as geodes, hollow spherical stones that are full of crystal growth formations, making for a stunning natural work of art in each rock.

These Tabasco Geode Earrings from Mexico are some of the smallest geodes known on Earth, delicate little formations that nonetheless hold stunning quartz formations in each split pair. Every earring contains a complete geode, sliced down the middle to view the crystals inside. They are set into sterling silver.