A triangular crystal with a glowing interior resembling a cosmic scene.

In the heart of a dark, enigmatic space, a triangular crystal stands as a beacon of celestial wonder. This crystal, with its sharp, angular edges, is not just a piece of stone but a portal to the cosmos. Its surface is etched with intricate patterns of light, resembling the swirling nebulae and star-studded galaxies of the universe. The crystal's interior is a mesmerizing display of cosmic beauty, with stars twinkling like distant galaxies and cosmic rays streaking across the void. The light emanating from within the crystal is both ethereal and powerful, casting a soft glow that illuminates the surrounding darkness. The crystal rests on a rugged, earthy base, contrasting sharply with the celestial imagery within. This image evokes a sense of mystery and wonder, inviting viewers to ponder the connection between the earthly and the celestial.