Prominent jewelry houses, such as Temple St. Clair ... In the novel, the enchanted princess Lady Hermione wears an opal clasp in her hair, which seems to take on a life of its own.

Prominent jewelry houses, such as Temple St. Clair ... When the holy water accidentally splashes her opal hair clasp, the stone fades to black, leaving it as “colourless as a common pebble.” ...