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Where does the olivine from Jiaohe, Henan Province come from?

Jiaohe Village, northwest of gongyi city City, Henan Province. According to the information of Henan Provincial Department of Natural Resources, Jiaohe olivine is an ore specimen found in Jiaohe Village, northwest of gongyi city, Henan Province. Olivine is a natural gem, and its parent rock is the most important rock-forming mineral in the mantle, and it is a magnesium-iron silicate.