Crack-Open Geode

$2.50
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Break open a plain-looking rock to see if there are quartz crystals inside! You provide a hammer or rock pick and help for young kids. Geodes are formed when mineral deposits build up inside volcanic or sedimentary rock "bubbles." Typical size is 1.5" to 1.75".

Note: Although not every geode contains crystals, they are still fun to break open and have interesting mineral deposits inside.