1, Shuju Shudulai stone in West Africa has some differences in body color due to different producing areas. Of course, the evaluation criteria will be slightly different. Represented by Royal Purple from South Africa, it is bright and even in color, and the less cracks in mineral wool and stone lines, the better.

2. Shuju Shuzulai in South Africa is a new type of ore discovered by Japanese geologists in 1960. The origin of Shu Zulai is only South Africa, Japan, Canada and the United States, and Shu Zulai is a national treasure of South Africa.

3. Shu Zulai is the national stone of South Africa, and its status in South Africa is as high as that of Emerald in China. Although Shu Julai is known as the jade of South Africa, it is also known as Emerald and Hetian Jade.