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 Forms of Things Unknown The Forms of Things Unknown "The Forms of Things Unknown" is an episode of the original "The Outer Limits" television show. It first aired on May 4, 1964, and was the final episode of the first season. It was filmed in a dual format as both a regular episode of "The Outer Limits" and as a pilot episode for a possible series called "The Unknown". The opening and closing narration listed here are only in "The Unknown" version and not in the broadcast "The Outer Limits" episode. There are plot differences between the two versions as well. "There is a