Recently took a trip to Sterling Hill Mine in New Jersey. They have a tour of the mine, guiding you through the tunnels where they used to mine zinc. The tour is nothing special but it starts in a beautiful rock and gem museum and ends in the amazing Museum of Fluorescence. This area of New Jersey is renowned for its phosphorescent stones. Meaning, that these rocks glow in neon colors when exposed to a blacklight. The museum has plenty of fluorescent rocks but also other phosphorescent items like uranium glass, money and pottery.
There’s also a quarry field where you can sift through and purchase rocks by the pound. They have a little hut with a blacklight bulb where you can test rocks from the field to see if it glows, and if so, what colors it presents.