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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 . Jadeite-Kosmochlor Series . Rarely found as euhedral crystals, most commonly as the monomineralic metamorphic ...

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 ...

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 ...

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, ...

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.

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

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

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 ...