Examples from the Web for jadeite
She smiled: "Jadeite, of course; and lapis and crystals—the usual."The Business of Life|Robert W. Chambers
The principal jades belong, however, to one or the other of two species, jadeite and nephrite.
Jade of the jadeite variety, which is harder than nephrite and more highly valued, is rare.
Jadeite is a sodium aluminum silicate and nephrite, a calcium magnesium silicate.
The name jadeolite has been given by Kunz to a green chromiferous syenite from the jadeite mines of Burma.