AAA Amethyst Geode Cathedral with Gemmy Royal Purple and Rare Blue Agate MatrixExtraordinary Amethyst on Agate Geode Cathedral: Royal Purple Sparkle over Rare Blue Agate An amethyst geode cathedral of this level is the kind of find that does not come around often. This piece combines deep, saturated royal purple amethyst druzy with a beautifully defined blue agate frame, crowned by a standout zone of larger, gemmy points, ready to take a top spot in a serious collection while still feeling luxurious on daily display. The first