Pop Corn Rock

Pop Corn Rock

Regular price $5.00
Unit price  per 
Shipping calculated at checkout.

Keep the young scientist happy for hours with this stone’s fascinating qualities. Popcorn Rock is a special variety of limestone mined in Utah. Simply submerge your rock in white vinegar and watch as a beautiful crystal garden develops over the next few weeks. These acetate crystals grow from the evaporation and reaction with the acetic acid from the vinegar. Makes a perfect gift, school science project or even a chemistry/geology learning tool.