It is no secret that you can do all kinds of fun experiments with UV lights. With a short-wave and long-wave UV flashlight, you can make fluorescent mineral rocks glow in all kinds of colors. This kit has a pound of mineral rocks and a UV flashlight with dual modes to make them glow.
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You can try these UV flashlights on Diopside, Norbergite, Wollastonite, Franklinite, Fluorapatite, Willemite, Calcite, Sphalerite, Cleiophane, Franklinite, Chlorophane, and many other rocks. They can be found on sites like eBay.
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