Geek & Co. Science! Glowing Crystal Geode

الوصف

Create Your Own Crystal Geode - A Round Rock Containing A Crystal-Filled Cavity. First Cast A Plaster Geode Shell In The Mold 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.