Explore the science behind precious stones with Gemology! Make your own gems and crystals out of common household ingredients using this set's durable tools, crack open reusable break-apart geodes, and study their scientific properties with the included magnifier! Includes gem molds, beaker, and experiment guide for making your own colorful gems! Magnifying glass measures 7" L x 3.25" W x 1" H; chisel measures 3.75" L x 1.75" W x 1.75" H.