Fire rainbows are the rarest of all naturally occurring atmospheric phenomena. For a fire rainbow to occur, cirrus clouds must be feet in the air with the precise amount of ice crystals, and the sun must hit the clouds at 58 degrees. (a/k/a Sun Doggies)
The whole world loves unicorns, because they are the most beautiful creatures. When I was a little girl, I always dreamed about being a unicorn. But I'm a human. But the unicorn theme lives in my heart. I feel that in your heart too. Unicorns are often.
The Physics of the Plasma Universe by Anthony Peratt describes magma as a plasma, a medium containing moving charges. So we should expect volcanoes not only to exhibit electrical behavior but to have that behavior connected with the larger plasma environm