Nephrite Nephrite can be found in a translucent white to very light yellow form which is known in China as "mutton fat" jade, in an opaque white to very light brown or gray which is known as "chicken bone" jade, as well as in a variety of green colors. Western Canada is the principal source of modern lapidary nephrite. Nephrite jade was used mostly in pre-1800 China as well as in New Zealand, the Pacific Coast and Atlantic Coasts of North America, Neolithic Europe, and southeast Asia. The name "nephrite" is derived from "lapis nephriticus", which in turn is derived from
Rock concert Rock concert A rock concert is a musical performance in the style of any one of many genres inspired by "rock and roll" music. While a variety of vocal and instrumental styles can constitute a rock concert, this phenomenon is typically characterized by bands playing at least one electric guitar, an electric bass guitar, and drums. Often, two guitar players share the tasks of rhythm and lead guitar playing. Rock concerts also have a social history which shapes the perception of the linguistic term and the activity itself. During the 1950s, several American musical groups experimented with new musical forms