Jade of the jadeite variety, which is harder than nephrite and more highly valued, is rare.
nephrite was also perhaps the first of all stones to be used ornamentally.
Spleen′ishness, the state of being spleenish; Spleen′-stone, jade or nephrite; Spleen′wort, any fern of the genus Asplenium.
But works executed in these minerals do not fetch a price at all comparable to that of nephrite.
The walls and pillars are inlaid with costly stones of various shapes: lapis-lazuli and malachite, nephrite and agate.
Whilst the term jade is popularly used in this sense, it is now usually restricted by mineralogists to nephrite.
Beside the commoner minerals five to eight per cent of implements made of nephritoids (nephrite, jadeite, and chloromelanite).
nephrite is said to have been discovered in 1891 in the Nan-shan mountains in the Chinese province of Kan-suh, where it is worked.
Objects made of nephrite and whale's bone are lacking in the Yakima Valley.
Jadeite occurs in association with the nephrite of Turkestan, and possibly in some other Asiatic localities.