An iridescent, crystalline polyhedron artifact, small enough to fit in a hand, exudes an otherworldly essence, radiating an soft, ethereal glow that hints at eldritch secrets, its Lovecraftian aura whispering tales of ancient, forgotten knowledge. The mesmerizing, kaleidoscopic colors dance across its faceted surface, a hypnotic swirl of emerald, amethyst, and sapphire hues. Amidst its luminosity, strange, glowing symbols etch themselves into the polyhedron's geometry, beckoning the beholder to unlock its mystical powers.