Yooperlite SkullEach heavy Carved Crystal Yooperlite Skull weighs approximately 3 4s of a pound. See second photo for scale. Difficult to capture, but awesome orange glowing areas under blacklight. This crystal is associated with truth and releasing negativity. In the bottom half of the photo, you see how each skull glows under blacklight. In the top, how all's still looks great in any other light.