Lantian jade is mainly divided into four types: ginger flower jade, silk jade, ink jade, and hibiscus jade; Lantian ginger flower jade also has the titles of Jiang Huayu, Lantian vegetable jade, vegetable topaz, and golden jade. Because the jade is fine, the color is warm and the water is good, it is called the representative jade in Lantian jade. The chemical composition of Lantian Jianghuayu is mainly serpentine, so the identification results of Jianghuayu are generally: serpentine jade (different from Lantian Moyu, containing inclusions) Lantian ginger flower jade and Liaoning jade jade are similar in appearance, and their chemical composition contains serpentine. The identification agencies are distinguished by the serpentine content. Refractive index: 1.56 (point measurement) Density: 2.65g/cm3 Absorption spectrum: no characteristic absorption spectrum Enlarged inspection: fiber interwoven structure / granular mosaic structure Photometric: heterogeneous aggregate Under the color filter: no reaction (no reaction under natural jade color filter) Identification results: Lantian jade / serpentine jade
Viscose is a kind of silk cellulose, which is made of cellulose, which is an organic compound that makes up the majority of plants. Good air permeability, dyeing, moisture absorption and vertical.
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July 06, 2021