Question: What material was used to carve out the shape of a Chinese cabbage head, an example being the Napa, a type of cabbage originating in the Beijing area of China and widely used in East Asian cuisine, which features a locust and katydid camouflaged in the leaves?
Sentence (from "Jadeite Cabbage"): The Jadeite Cabbage () or Jadeite Cabbage with Insects is a piece of jadeite carved into the shape of a Chinese cabbage head, and with a locust and katydid camouflaged in the leaves.
Relevant evidence: Yes