Amethyst Cluster with Cristobalite Inclusions. Museum QualityRare Amethyst Cluster Amethyst with Cristobalite Inclusions on AAA Amethyst Deep Purple Amethyst Ethically Sourced Raw Amethyst February Birthstone Brazilian Amethyst Large Amethyst Druzy Amethyst Decoration Decorative Amethyst Description Exquisite and rare natural amethyst specimen, this AAA Amethyst brings dozens of Cristobalite inclusions in its interior, looking like as a sea of deep purple Amethyst with white cristobalite swimming in it. It can