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Place this mineral in white distilled vinegar and watch crystals form as the vinegar evaporates! No dangerous chemicals are needed. Grows in 1-3 weeks. Lasts for years.

these magic rocks bubble and vinegar is added because the rock is made from limestone. The main component of limestone is calcium carbonate (CaCO3) which reacts with the acid in the white vinegar and releases carbon dioxide gas which makes bubbles. Discovered in 1981, this magic rock is a naturally occurring mineral found in the Western United States. The same geological process that makes the world's simplest crystal also creates beautiful limestone formations in nature such as the thermal basins of Yellowstone National Park and the underground rooms of Carlsbad cabins. This crystal is an a Aragonite Crystal. Ages 4 and up.

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Home > SHOP BY CATEGORY > Crystal Growing Kits > World's Simplest Crystal

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