Opal Necklace

OPAL NECKLACE
Was in the sixth book -  Harry Potter And The Half-Blood Prince. Mainly chapter 12 'Silver and Opals'

The Story

The opal necklace was bought at Borgin and Burkes, by Draco Malfoy.

After the October Hogsmeade trip when Harry, Ron and Hermione were walking back up to the castle they noticed that Katie Bell and her friend Leanne were walking in front of him. Katie and Leanne started argueing about something that was in Katie's hands.