Dushan jade knowledge Daquan
Dushan jade is named after Dushan, which is 8 kilometers northeast of Nanyang City, Henan Province. Its mineral composition is the eucalyptus petrified plagioclase, which is a multi-color jade. Its color is bright, the pattern is complete, the combination of light and shade, and the texture is delicate, dense and hard. Mohs hardness 6-6.5, specific gravity 2.9; glass luster or grease luster, opaque or micro-transparent. Dushan jade is commonly used in the market to make jade carvings of various ornaments.
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