Chrysocolla & Sterling Triangle Pendant. Chrysocolla was used in the West like turquoise for jewelry, but pure chrysocolla free of quartz is rather fragile and likely to crack. However, Chrysocolla is often "agatized" in chalcedony quartz. The quartz provides the stone with its polish and durability. The stone in this pendant is 43x30mm (1.72" x 1.2") Chain not included. This stone is very vibrant with a high polish