The Colorful Silicate Garden - Chemical Demonstration Kit
by Flinn Scientific
Item #: AP4424
The Colorful Silicate Garden Crystal Formation Chemical Demonstration Kit is fascinating to watch. Various colored columns quickly sprout from a beaker, simulating stalagmite formation in caves. The crystals continue to grow for days.
This item can only be shipped to schools, museums and science centers
In a matter of seconds, columns of various colors sprout up from the bottom of a beaker containing a clear liquid. The crystals form like stalagmites in a cave and will continue to grow for several days. This beautiful crystal garden is fascinating to watch. Teacher Demonstration Notes included. Enough materials are included to perform the demonstration seven times.
Concepts: Formation of insoluble silicates, osmosis, crystal structures.
Time Required: 15 minutes
Chemicals Provided: Sodium silicate solution, aluminum chloride hexahydrate, iron(III) chloride, copper(II) chloride, and cobalt nitrate.