The Crystal itself, the Tuaoi Stone, or Firestone, was huge in size, cylindrical in length, and prismatic in shape, cut with six sides. Atop the crystal was a moveable capstone, used to both concentrate incoming rays of energy, and to direct currents to various parts of the Atlantean countryside. It appears that the
The energy was used for various purposes. In the beginning it was used as purely a spiritual tool by initiates who could handle the great energy. The early Atlanteans were peaceful people. As they developed more physical material bodies, they used the crystal to rejuvenate their bodies and were able to live hundreds of years while maintaining a youthful appearance.
Later the Great Crystal was put to other uses. Currents of energy were transmitted throughout the land, like radio waves, and powered by these, crafts and vehicles traversed the land, through the sky and under the sea at the speed of sound.
By utilization of other currents originating from the Great Crystal, the Atlanteans were also able to transmit over great distances the human voice, and pictures, like modern television. In the same manner, even heat and light could be directed to specific buildings or open arenas, giving illumination and warmth by seemingly invisible means.