Nomination Opal October Link. Original Charm for Nomination Classic Composable Bracelet in stainless steel and rich sterling silver 925 and white Opal. With an elegant white opal to cleanse the spirit and balance the soul, the Nomination White Opal October Birthstone Charm features a raised, frosted opal framed in 18ct gold, all set on a bed of polished stainless steel. Opal is the birthstone for October and is believed to bring happiness, loyalty and confidence. This charm is a beautiful addition to your Composable collection.