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en.wikipedia.org/wiki/Jadeite

Jadeite is a pyroxene mineral with composition NaAlSi2O6. It is monoclinic. It has a Mohs hardness of about 6.5 to 7.0 depending on the composition.

www.minerals.net/mineral/jadeite.aspx

Detailed description, properties, locality information guide about the pyroxene jade mineral jadeite.

www.mindat.org/min-2062.html

Pyroxene Group - Clinopyroxene Subgroup . Rarely found as euhedral crystals, most commonly as the monomineralic metamorphic rock jadeitite which is often ...

www.geo.utexas.edu/courses/347k/redesign/gem_notes/jade/jade_main.htm

Jade is the gem name for mineral aggregates composed of either or both of two different minerals, Jadeite and Nephrite. Jadeite is a sodium-rich aluminous ...

webmineral.com/data/Jadeite.shtml

General Jadeite Information ... Click Here for Larger Jadeite Image in a New Browser Window Images: ... Jeff Weissman / Photographic Guide to Mineral Species ...

geology.com/gemstones/jade

However, in 1863 a Frenchman, Alexis Damour, discovered that the material known as "jade" could be divided into two different minerals: jadeite and nephrite.

www.galleries.com/Jadeite

Jadeite is one of the two minerals called jade. The other jade mineral is nephrite, which is a variety of actinolite. Jade has been used for eons in China and ...

www.britannica.com/topic/jadeite

jadeite: gem-quality silicate mineral in the pyroxene family that is one of the two forms of jade. The more prized of the two types of jade, jadeite (imperial jade) is ...

www.gemselect.com/gem-info/jadeite/jadeite-info.php

Feb 11, 2014 ... Jadeite is a pyroxene mineral and one of the two types of pure jade. The other is known as nephrite jade. Jadeite is the rarer of the two jades, ...

nevada-outback-gems.com/mineral_information/Jadeite_mineral_info.htm

Scientific facts about the mineral Jadeite, including characteristics, gem uses and occurances.