Jadeite

The name comes from the Spanish jadeite. Green mineral from the group of alkali clinopyroxene, sodium silicate and aluminum. Jadeite is very rare. Formed in metamorphic rocks under high pressure and relatively low temperature. It occurs together with other pyroxenes: augite, diopside.

The name comes from the Spanish jadeite

Fig.1. Jadeite (Kazakhstan).

Jadeite may be semitransparent, translucent in thin chips, opaque. Granular structure can be seen with the naked eye, which allows to distinguish jadeite from nephrite.

Jadeite color is white, gray, gray-green, green, various shades of blue, blue, yellow, orange, brown, red, pink, pinkish-purple, black.

Jadeite has a glassy luster, fracture of its uneven.

Jadeite has a glassy luster, fracture of its uneven

Fig.2. Products made of jadeite (Kazakhstan).

Since ancient times, jadeite is used as a gemstone, particularly its translucent emerald-green variety - Imperial and ornamental varieties, such as green opaque veined and spotted translucent emerald green and bright blue-green opaque stone. Processed mainly cabochons. In 1980, at the held in Rangoon (Burma), the exhibition and sale of precious stones demonstrated the world's largest processed precious imperial jadeite emerald color, translucent, weighing 750 carats. The cost of stone was about 2 million US dollars.

As used ornamental green with dark streaks and patches of albite-jadeite stone.

Deposits of jadeite: China, the United States, Burma, Guatemala, Mexico, India, New Zealand.

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