Glowing Crystal Geode
Glowing Crystal Geode
Glowing Crystal Geode
Glowing Crystal Geode
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Glowing Crystal Geode

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Create your own crystal geode a round rock containing a crystal-filled cavity.
First, cast a plaster geode shell in the mould and then fill it with a crystal-growing alum salt solution.
The crystal solution contains an ultraviolet-luminous pigment that gets incorporated into the crystals as they form, resulting in a geode that glows in ultraviolet light.
An ultraviolet flashlight with holder, as well as a display stand for the geode, are included.
Display your beautiful specimen day and night! Learn about how crystals form and why the pigment glows under ultraviolet light.

 

Age 8+