Sets and samples of rocks and minerals give students a "rocking" hands-on experience. Help identify a mineral by determining its hardness and performing a streak test. Everyone loves to pull apart the layers from a specimen of mica. Don't be fooled by the seemingly normal Sticky Stones; they're magnetic! Show students a chunk of graphite from an old historic mine in New Hampshire. They will be fascinated with the idea of writing with a piece of mineral. Common fluorescent minerals, sensitive to long-wave ultraviolet (UVA) light, can be made to fluoresce using any of the fluorescent "black lights" we carry. What happens when nearly 1 billion Joules of lighting energy strikes sand? Fulgurite, tubular formations are typical of the result!