Necklaces / Pendants by Charlotte Verity Handmade Sterling Silver multilink pendant, with a robust glass spheres, blown using a gas torch, from Aventurine Blue glass, which has minute cobalt oxide crystals through the glass, giving a scintillating effect.Designed and handmade by Charlotte Verity. Features Primary Material : sterling silver Other Materials : blown glass One of a Kind : No Metal : sterling silver Hallmarked : No Cleaning Instructions Caring for your Jewellery: Please store each jewellery item separately from other items to avoid sharp surfaces which may scratch the glass or silver. Store away from chemicals and out of sunlight. Ensure that perfume, hairspray and other chemicals are applied to the body, face and hair BEFORE jewellery is put on to help avoid the jewellery becoming dull and colours looking faded. The glass and the silver parts of the jewellery can be cleaned with jewellery cloths to remove tarnish, or the pieces can be dipped in cleaning solution, or cleaned with jewellery foam, rinsed and dried. Please store jewellery in airtight bags or boxes to prevent tarnishing.