How does Jade get its color
The color of jade
The color of jade can be divided into four series: red-brown series, green series, white series and purple series. The red-brown series is called Fei, and the red-brown can be subdivided into red, red-brown, brown, brown-yellow, light brown-yellow, and yellow.
The color of jade is closely related to the content of the trace chemical element FeO. No other information on the cause of jade color has been obtained. Translucent white jadeite FeO content is generally 0-0.05%, translucent green jadeite FeO content is generally 0.14%, and red jateite FeO content is generally 1.25%.
The color of jade is closely related to the type of iron-containing minerals. Iron-bearing minerals are adsorbed in the crystal grains and cleavage lines of jadeite in the form of microscopic particles-ultramicroscopic particles. Water lepidolite is ruby red, water goethite is light brown-yellow, lepidocrocite is reddish brown, goethite is brown and yellow, and water hematite is red. Due to the difference in mineral composition, it is formed The color is different.
How does Jade get its color
The color of jade is the product of jadeite under different geological effects. The source of iron is secondary and primary.
Iron minerals are often aggregated in open fissures and intersections. Secondary iron is often infiltrated to form a stratified structure due to intermittent changes in the iron solution. The iron solution in the huge fissure channel is more extensive, but the jadeite texture is very loose. Color is a very important natural attribute for distinguishing and appreciating jadeite. Jadeite is the jade variety with the richest color and the most complex changes in nature. Scientific research in recent years has basically revealed the internal cause of emerald color.
The coloring effects of chromium ion, iron ion, manganese ion and other components in green, orange-red and blue-violet jade have been clarified. Based on the research results obtained, the color classification of jadeite becomes more reasonable. Color grading should be based on the recognized three color systems of green, orange-red, and blue-violet, focusing on solving the problems of scientific measurement of colors, unifying and quantifying description terms, so that jade grading is established on a scientific and operable basis Above.