Sea Glass Blog — vaseline glass

While every piece of beach glass is special, something magical happens when you find a piece that glows. Mixed in with all the regular pieces of sea glass we find on beaches around the world, there are sometimes pieces that were made with fluorescent materials. If you shine a black light on them, they will glow a bright green, orange, red, purple, or yellow color. These are known as fluorescent or ultraviolet glass, or simply UV glass. Shine on Scientifically, fluorescence is caused by substances in the glass absorbing invisible ultraviolet light and then releasing the energy as visible light...