A symbolic merging of soft ropes and strong knots celebrates a lifelong odyssey of exploration and discovery, anchored in resilience. A or AA grade Ammolite 22 x 14mm Oval Ammolite Pendant 925 Sterling Silver Accented with 1.5mm White Topaz  Pendant Dimensions: 38.1 x 19.3 mm Chain Length: 16-18 Inch Adjustable Lobster Clasp with Ammonite Accent Like all gemstones, Ammolite should be treated with care and attention. -Avoid exposure to direct heat. -Do not over-expose to water. -Avoid hard impact to the stone -Do not clean in ultrasonic cleaners -Use a soft, none-abrasive cloth to clean your Ammolite jewellery.