1. 1 Different places of origin: Purple jade with big leaves is produced in Madagascar, Africa, while purple jade with small leaves is produced in India.

2, the smell is different: the big leaf purple jade has a sour smell, while the small leaf purple jade is a light sandalwood smell.

3, the texture is different: the texture of big-leaf purple jade is rough; The lobular purple jade is compact and fine because of its slow growth.

4, the texture is different: the big leaf purple jade has thick black stripes, and the small leaf purple jade has a delicate and natural texture.

2. Purple yam, also known as Ziyu Huaishan and Zihuai Mountain, is a kind of yam variety with bright color and good taste. It is named "Purple Yam" because the skin and meat are purple.