Crystals for Geology & Science Lessons

Study crystals with some surprising properties, or grow your own! Grow beautiful crystal gardens with Mrs. Stewart's Liquid Bluing, table salt, household ammonia and food coloring. Sometimes called "Popcorn Rocks", gray Dolomite samples grow beautiful white Aragonite crystals when placed in a small bowl of white vinegar. The Rock Candy Crystal Growing Experiment Kit is a scientific experiment you can eat! Crystals grow to full size in just 7 days!
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