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Steve- Fluorite: Fluorite can exhibit a fluorescent response under ultraviolet light, emitting various colors.
- Calcite: Certain varieties of calcite, such as Iceland spar, can fluoresce under UV light, appearing red, blue, or green.
- Willemite: Willemite can fluoresce a bright green color under ultraviolet light due to traces of manganese.
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What gives off visible light under an ultraviolet light?
Fluorescent materials, phosphorescent materials, and objects containing fluorescent dyes or pigments can emit visible light when exposed to ultraviolet light. This phenomenon occurs as the ultraviolet light excites the molecules within these materials, causing them to re-emit visible light at a longer wavelength.
What are all the names of all fluorescent rocks?
Some examples of fluorescent rocks include fluorite, calcite, willemite, and scheelite. These minerals contain trace elements that make them glow under ultraviolet light. There are many other types of rocks that can fluoresce as well.
Can you see black light tattoos without a black light?
Black light tattoos are designed to be visible under ultraviolet light, commonly used in black light. They are usually not visible under normal light unless they contain regular ink as well. The ink used in black light tattoos absorbs and re-emits the ultraviolet light, creating the glowing effect.
Is visible light same as ultraviolet light?
No, visible light and ultraviolet light are not the same. Visible light is the range of electromagnetic radiation that can be detected by the human eye, while ultraviolet light has a shorter wavelength and higher frequency than visible light, making it invisible to the human eye.
Why does the ink on banknotes glows under ultraviolet radiation?
Special ink, that shows under UV light, is used as a security feature, proving that the banknote is genuine.
