Nanyu, also known as southern jade, is a variety in the jade. It is also a serpentine jade stone with Liaoning Yuyu, which is also called southern jade. It is listed as one of the four famous stones (jade, marble, stone, meteorite) by Guangdong. Nanyu is best in Xinyi.
Nanyu Introduction
The Nanyu ore body is found in the remains of schist-like rocks in the Proterozoic Yunkai Group. The outer part is a large area of ​​black cloud and long granite. The southern jade ore is deeply metamorphosed by magnesia-rich rocks. Serpentine Jade, and contains a small amount of phlogopite, talc, calcite, tremolite, chlorite, epidote. This beautiful stone is a nebulized serpentine with a beautiful pattern, 4.9-5.5 Mohs hardness and a density of 2.5-2.7 g/cm2.
The stone is green and green, the crystal is like ice, the jade is soft, the stone is elegant, and there are many colors such as yellow green, green green and black. It is mainly light green, with yellow, white and brown colors. The texture is fine, with greasy or waxy luster and translucent. The color is often different from that of jade, and the color is dark green to brownish green. At the same time, the geological conditions produced are different from that of jade jade. It is produced in the stratum composed of mica schist and strip-like mixed gneiss. The jade ore body often has a talc layer of 0.2-5.5 m thick below. Qilian jade produces Qilian Mountain, with dark green color and more black spots. Daiyu and Southern Jade do not have this feature.
Because of its beautiful color, low hardness and good processing performance, it is unique in that the color is warm, the color is beautiful, the texture is fine, the hardness is moderate, and it can be processed into a very thin device, which is suitable for making jade carving and jewelry. The production of large jade carving pieces and small and medium-sized furnishings jade is often listed as the preferred jade species. It is also widely used to make a variety of small ornaments and crafts such as characters and animals.
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