Elegantly designed showcasing the beauty of the tourmaline crystal's most natural and raw state set with a double chain. It is said the Tourmaline is known to be one of the most powerful grounding, purification, and protection stones. "Make Your Mark in The World and Feel Beautiful Doing It" Product Description: Available in Solid Sterling Silver & 14K Gold Plated .925 Sterling Silver Base Chain Metal: .925 Sterling Silver and 14K Gold Plated, .925 Sterling Silver Chain Types: Paper clip and Box chain Chain Length: 16cm with 5cm extension Gemstone: Tourmaline Stone Size: approx. 8mm Metal: Nickel, Lead and Allergy Free PLEASE NOTE: All stones and crystals are unique and may have slight variances in colour and characteristics from the image shown.