Large Uruguayan Amethyst with Large UV Reactive Calcite with Goethite

A stunning natural specimen featuring a large Uruguayan amethyst as its foundation, crowned with an impressive layer of UV-reactive calcite that dominates the front face. The brilliant yellow calcite creates a striking color contrast against the purple amethyst, while delicate sparkly goethite adorns the calcite surface, adding dimension and light-catching brilliance. The back reveals the natural stone's authentic character, showcasing the raw beauty of this Brazilian treasure. A museum-quality piece that commands attention with its bold presentation and exceptional mineral combination.