Fantasy prism crystal cave

Photorealistic natural crystal formation emerging from the ground [in a dark cave] mid-growth in the exact same shape as [REFERENCED IMAGE], geometric facets emerging and expanding slightly outward adhering to the referenced image, prismatic light refractions casting [COLOR PALETTE FROM IMAGE] and [COMPLEMENTARY COLORS] across surfaces, magical crystallization in progress, fantasy meets natural phenomenon, ethereal glow emanating from crystal core, alchemical aesthetic, translucent mineral structure, sharp angular geometry.