What are the gemstones in the cursed necklace Draco Malfoy buys from Borgin and Burkes?
Opals
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> What are the gemstones in the cursed necklace Draco Malfoy buys from Borgin and Burkes? [/INST] Opals </s>