RETAIL $45 Kinsley Armelle Pixie Collection Ariel Bracelet*Agate Stone*Gorgeous! With a velvet dustbag! It is BRAND-NEW for gifting! This is stunning! Real stone accent WHAT IS AGATE? Agate is a variety of chalcedony and a cryptocrystalline form of quartz that was first discovered near modern day Sicily. The name AGATE comes from the river Achates, now known as the Dirillo River where agate was first discovered sometime between the 4th and 3rd centuries BC.