Rare Amethyst Cacoxenite faceted rondelles are transparent with a vitreous luster, excellent cut and polish for a brilliant gemstone. The Amethyst gms have metallic golden Cacoxenite internal features, are nicely matched on strand for a light purple hued body, show unique internal features within these larger than average sized beads, and Amethyst with Cacoxenite is a well known spiritual & very rare gem. AAA