Crystal Aurora Pyramids 50mm- Beautiful 50mm pyramid! Crystal meditations, or any meditation you are familiar with may seem more powerful when done with a pyramid. The Merkaba Meditation is excellent. See the KIVA book for more meditations. The use of stones will assist in focusing the energy out of the pyramid's corners. A beautiful BB base that catches and diffracts light into a wide spectrum of colors. Click here to Contact Us Product Number: AKA50MM