CHAPTER 3CRYSTAL KALEIDOSCOPES Picture #3560-millimeter-wide Octagon Crystal Spaceshipwith Inner StarsThis is one of my favorite man-made crystals.It has an amazing optical ability to create a kaleidoscopic effect.I use similar crystals on my camera and video projectors.Kaleidoscopes invoke a sense of wonder and multi-dimensionality every time I see them.Why does this picture of a crystal look […]