Nanyang's jade was cheap because of its higher output, so its value was much lower than that of precious jade. It could also be because of its texture. Nanyang jade was opaque or slightly transparent, and its texture was rough. Most of them could only be used as ornaments and crafts. It could also be because of flaws. Most Nanyang jade had more contents, which would affect its value.
The jade in Nanyang is cheap, probably because of the output. Nanyang jade is produced in Dushan, 8 kilometers north of Nanyang City, Henan Province, and the output is relatively high. According to the market price of rare things, the value of Nanyang jade is much lower than that of precious jade species.
Nanyang jade is cheap, probably because of the texture. The main ingredients of Nanyang jade are calcium aluminosilicate minerals, which are opaque or slightly transparent. The texture is rough, and the structure is not tight. Therefore, Nanyang jade is mostly made into ornaments, handicrafts, etc.
Nanyang jade was cheap, probably because of flaws. When most Nanyang jade was mined, it would contain more impurities. These impurities would more or less affect the texture of Nanyang jade and affect the value of Nanyang jade.