Mount Du

Mount Du
Mount Du Location in China
Highest point
Elevation	367.8 m (1,207 ft)
Coordinates	33°4′13″N 112°35′11″E / 33.07028°N 112.58639°E / 33.07028; 112.58639
Geography
Location	Nanyang, Henan, China

Mount Du (Chinese: 独山; pinyin: Dú Shān), which means Lonely Hill in Chinese, is a small mountain near Nanyang City, Henan province, China.

The hill is rich in a jade substitute or simulant stone, saussurite. "Dushan jade" is a misnomer. It is not the true jade found in Xinjiang, China: nephrite, a CaMg silicate (Si), nor the true jade found in Burma: jadeite, a NaAl silicate (Si). It is a fine grained mixture of feldspar and epidote. It is currently marketed under the names, Dushan jade, Swiss jade (1st identified by Swiss mineralogist), and Nanyang jade (Nanyang, Henan Province).

On the third day of the third month of the Chinese calendar, people climb the mountain.^{[citation needed]}

• China Jade - The 10th paragraph has an introduction.

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