Nephrite Nephrite Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite or actinolite (aggregates of which also make up one form of asbestos). The chemical formula for nephrite is Ca(Mg, Fe)SiO(OH). It is one of two different mineral species called jade. The other mineral species known as jade is jadeite, which is a variety of pyroxene. While nephrite jade possesses mainly grays and greens (and occasionally yellows, browns or whites), jadeite jade, which is rarer, can also contain blacks, reds, pinks and violets. Nephrite jade is an ornamental stone used in carvings, beads, or cabochon cut gemstones.
The Return of Rock shows. Lewis had also recorded "Live at the Star Club, Hamburg" in 1964, an album that many consider one of the wildest performances ever. Lewis had been touring non-stop since the scandal and his ability to play ferocious rock and roll had remained undiminished in the face of dwindling sales. Hoping to recapture his past success, Lewis and producer Shelby Singleton began work on a new rock and roll album. In the liner notes, Robert Tubert wrote: "Rock is the music which vibrantly records the time in which we live ... and Jerry Lee Lewis is one of its greatest