Crystal Core Growing in Dark Cave

A realistic natural crystalline structure emerges from the ground [in a dark cave], in the middle of growth, its shape exactly like [REFERENCED IMAGE], with geometric facets appearing and slightly expanding outward, matching the reference image. Prism light refracts [COLOR PALETTE FROM IMAGE] and [COMPLEMENTARY COLORS] covering the surface, and a magical crystallization process is underway, combining fantasy with natural phenomena. The crystal core emits an ethereal glow, alchemical aesthetics, translucent mineral structures, and sharp, angular geometric shapes.