Search results
Results from the WOW.Com Content Network
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]
Jade spoons, spatulas, and pestles were used to make medicine in order for the jade to bestow its special virtues onto the medical compounds. [3] From about the earliest Chinese dynasties until the present, jade was sourced from deposits in western regions like Khotan and other parts of China like Lantian, Shaanxi.
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 ...
The Māori word pounamu is derived from namu, an archaic word that describes blue-green (or 'grue') cognate with Tahitian ninamu. [2] Pounamu, also used in New Zealand English, in itself refers to two main types of green stone valued for carving: nephrite jade, classified by Māori as kawakawa, kahurangi, īnanga, and other names depending on colour; and translucent bowenite, a type of ...
Calcite. Manganoan calcite (var.); Caledonite; Canasite; Cancrinite. Vishnevite; Carletonite; Carnallite; Cassiterite; Catapleiite; Cavansite; Celestite; Ceruleite ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The term also includes jade and jadeite, although these are perhaps more frequently identified by these latter terms. [2] The greenish hue of these rocks generally derives from the presence of minerals such as chlorite, hornblende, or epidote. [3] Greenstone minerals were presumably selected for their color rather than their chemical composition.