When these rocks are exposed to light, the surface spots become illuminated. When it is dark, a glow is emitted that can capture your attention from across the room. But take note, the glow will fade almost as quickly as it absorbs the light and will eventually disappear. That is... until a blast of light reactivates the surface and the the design on the rocks begin to glow once more.
Scroll down to learn more about how the Spirit Rocks came to be...