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Otherwise known as ulexite, the TV stone is a structurally complex rock with fascinating characteristics.
Rock's Natural Fiber Optics Make it an Optical Novelty
Scientifically known as ulexite, the "TV stone" is a structurally complex rock with fascinating characteristics. It will display an image on the front surface of whatever material it is placed upon. Pictures and even words are projected through the stone due to its fiber optic properties. Size: 1" - 2".