Jade, Jadeite (Jade)

Jadeite together with jade are combined into a group called jade.

Jade - a monomineral rock of matted fibrous amphiboles tremolite-actinolite series with a characteristic structure. A remarkable feature of this breed: extremely high viscosity - fragments of jade are very difficult to split into pieces. The strength of jade is commensurate with good grades of steel. The color of the rock is varied - from almost white through all shades of green (yellowish, grassy, ​​emerald, marsh) to almost black. There are also blue and red jade , but it is rare and very valuable. Coloring depends on the content of iron and impurities of chromium, manganese, nickel.

Jadeite (fr. jadeite , from jade - jade) is a green color from the group of alkaline monoclinic pyroxenes, sodium and aluminum silicate. It got its name from the jade. Jadeite - stone� with a variable chemical composition. Unique properties: strength, ability to receive mirror polish and translucency in thin plates. A very durable stone.

In 1863, the mineralogist Augustine Alexis Demur divided the Chinese jades, and proposed the name "jade" for the crystalline pyroxene variety, and "jade" for the latent-crystalline amphibole.

Jadeite is less common than jade and is more valuable, especially in China, where jade is the most expensive and has been held in special honor since ancient times.

Jade is a favorite stone of Chinese emperors: they wore jadeite jewelry, used utensils from it, and even slept on jadeite pillows.

Jadeite is close to such stones as rhodusite and nephrite, has increased density, viscosity and a wide variety of structures.

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