Excavate, restore, and grow! Emerald and Topaz Crystal Mines and Crystal Growing kit by Kristal Education delivers a slab of sediment. It's up to you, the rock hound, to dig, uncover, and identify the 15 gems and minerals hidden inside the mines. Then dissolve pre-mixed chemicals in water and within hours watch sparkling "topaz" and "emerald" crystals start to grow....
Discover the forces of nature that create crystals deep inside the earth. Grow a spectacular collection of 13 mineral specimens with diameters of 2" to 8"! Dazzling crystal sculptures and geodes look like rubies, emeralds, quartz and amber. Simply dissolve pre-mixed powders in hot water, sparkling crystals will start to grow in hours.