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Jadeite is a pyroxene mineral with composition Na Al Si 2 O 6. It is hard ( Mohs hardness of about 6.5 to 7.0), very tough, and dense, with a specific gravity of about 3.4. It is found in a wide range of colors, but is most often found in shades of green or white.
Jadeite is presumed one of the most precious materials of Pre-Columbian Costa Rica. It, along with other similar-looking greenstones (e.g. chalcedony, serpentine, and green jasper) were cherished and worked for years. Jadeite was used to decorate the body and was presumably a symbol of power.
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]
Maya pendant in the Los Angeles County Museum of Art Map showing the locations of some of the main jade, obsidian and serpentine sources in Mesoamerica. The archaeological search for the Mesoamerican jade sources, which were largely lost at the time of the Maya collapse, began in 1799 when Alexander von Humboldt started his geological research in the New World.
Yupei (Chinese: 玉佩; pinyin: Yùpèi) is a generic term for jade pendants. [1] Yupei were popular even before Confucius was born. [2]: 18 Jade culture is an important component of Chinese culture, [1] reflecting both the material and spiritual culture.
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".
The beads, also described as "jewels", were made of primitive stone and earthen materials in the early period, but by the end of the Kofun period were made almost exclusively of jade. Magatama originally served as decorative jewelry, but by the end of the Kofun period functioned as ceremonial and religious objects.
Jade is a given name derived from the ornamental stone jade, which is used in artwork and in jewellery-making.The name is derived from the Spanish piedra de la ijada, which means "stone of the bowels". [1]