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|Name:||From "piedra de ijada" stone of the flank, as it was thought to cure kidney pains.|
A greenish black to creamy white ornamental stone or gemstone, highly valued in China and Korea. Translucent emerald-green jadeite-jade is the most prized variety.Rarely also blue, lavender-mauve and pink in colour, depending on mineralogy and impurity elements.
Many different rocks and minerals have been marketed as jade, especially nephrite and serpentine, but also green quartz, vesuvianite (californite), etc. Gemmologists, however, usually restrict the name to just jadeite and nephrite, both characteristically forming very tough, fine grained rocks. Nephrite is much more common than jadeite, and is a tremolite and/or actinolite-rich rock.
Visit gemdat.org for gemological information about Jade. Currently in public beta-test.
Classification of Jade
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Other Names for Jade
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Jade
Ronzio, A.R. and Salmon, M. (1970) Trace elements in jade. Gems and Minerals: 389: 24-25, 45.
Mindat.org articles about Jade
Internet Links for Jade
Localities for Jade
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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New Locality Added: Todos Santos, Baja California Sur (BC Sur), MexicoFrom Richard Gunter, 24th May 2013 16:59:55