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Jadeite is the principal mineral making up the most valuable form of jade, a precious stone particularly prized in China. Most gem-quality jadeite jade comes from northern Myanmar. Jade tools and implements have been found at Stone Age sites, showing that the mineral has been prized by humans since before the beginning of written history.
Main jade producing countries. Jade is an umbrella term for two different types of decorative rocks used for jewelry or ornaments.Jade is often referred to by either of two different silicate mineral names: nephrite (a silicate of calcium and magnesium in the amphibole group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). [1]
A 2010 effort led by State Senator Gloria J. Romero, a Democrat from Los Angeles, sought to remove serpentine from its perch as the state's official stone. Organizations such as the Asbestos Disease Awareness Organization have supported the move as the olive green rock is a source of chrysotile , a form of asbestos that can cause mesothelioma ...
Images of gemstones under a microscope are stunning. Mary Kinney. Updated July 14, 2016 at 10:32 PM. ... The final image is a compilation of 20 to 60 individual pictures.
Oracle bone script for 玉 "jade".. The Chinese word yù 玉 "jade; gems of all kinds; (of women) beautiful; (courteous) your" has semantically broader meanings than English jade "any of various hard greenish gems used in jewelry and artistic carvings, including jadeite and nephrite; a green color of medium hue; made of jade; green like jade".
Nephrite jade is an ornamental stone used in carvings, beads, or cabochon cut gemstones. Nephrite is also the official state mineral of Wyoming . Nephrite can be found in a translucent white to very light yellow form which is known in China as mutton fat jade, [ 1 ] in an opaque white to very light brown or gray which is known as chicken bone ...
Jade Cove is located in the southern area of Big Sur on the California central coast. [1] It contains the only concentrated underwater deposit of quality nephrite jade in the world. [ 2 ] Individuals are permitted to collect as much jade as they can personally carry using hand tools up to 90 feet (27 m) deep offshore.
The jade trade in Myanmar consists of the mining, distribution, and manufacture of jadeite—a variety of jade—in the nation of Myanmar (Burma). The jadeite deposits found in Myanmar's northern regions are the source of the highest quality jadeite in the world, noted by sources in China going as far back as the 10th century.