Dushan jade, a type of soft jade mined in Dushan in Nanyang, Henan Province, is also known as Nanyang jade. Its main components are plagioclase and zoisite with an interwoven crystalloblastic texture. Its Mohs hardness is 6–6.5, its density is 2.73–3.18 g/cm3, and its refractive index is 1.56–1.70. It has a waxy glassy lustre and can be translucent or opaque. It is mainly zoisitised or epidotised plagioclase in gabbro. Dushan jade has long been mined and used (Fig. 32).
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(2020). Dushan Jade. In: Chen, A., Ng, Y., Zhang, E., Tian, M. (eds) Dictionary of Geotourism. Springer, Singapore. https://doi.org/10.1007/978-981-13-2538-0_559
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DOI: https://doi.org/10.1007/978-981-13-2538-0_559
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