Necklaces / Pendants by Naomi James Dendritic quartz contains inclusions of iron, hematite and manganese that form fractal patterns within the stone. Each one is unique and like a little painting. On the reverse of the setting are imprints of fern, leaf and sycmore seed. The chain has a handmade clasp and can be worn at either 16 or 18 inches.The quartz is around 30mm x 15mm and the total drop of the pendant is approx 50mm. Features Primary Material : Silver Other Materials : Dendritic quartz Length (inches) : 18 One of a Kind : Yes Metal : Yes Hallmarked : Yes Cleaning InstructionsClean using a foaming silver polish such as Goddards, rinse thoroughly and allow to dry.