Discover the phenomenon of Ulexite. Place this rock on any surface and it demonstrates an amazing fiber-optic effect. The TV Rock projects images to its surface. Place it on a printed surface and watch how the tiny fibers transmit the image to the top of the rock. Try placing your rock on a TV screen, a photograph or a leaf.
Ulexite (hydrated sodium calcium borate hydroxide) is a mineral occurring in silky white rounded crystalline masses or in parallel fibers.
It was named after the 19th century German chemist G. L. Ulex who first discovered it.
