Rare Amethyst Geode Cathedral with White Agate Frame – Deep Purple AmethystRare Amethyst Geode with a White Agate Frame & Deep Purple Crystals Amethyst geodes are not rarethousands are found every year in Brazilbut this piece is an outlier. Its well preserved agate frame, balanced proportions, and deep purple amethyst crystals come together in a format that feels refined, harmonious, and visually complete. The strong contrast of color, the quality of formation, and its natural aesthetics make it a standout addition to a