Nephrite "hei-tiki" (neck pendant). These are believed to have their own "mana", are handed down as valuable heirlooms, and often given as gifts to seal important agreements. It has also been used for a range of tools such as adzes, as Māori had no metal tools before European contact. Commonly called "greenstone", jade jewellery in Māori designs is widely popular with tourists. Stone is often imported from Canada, China and Siberia, and Ngai Tahu runs a pounamu certification scheme to verify the authenticity of New Zealand stone. Nephrite Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite
The Forms of Things Unknown world of dark reality. And on that night, you will keep your rendez-vous with... THE UNKNOWN." The episode is considered an unusual one, even for "The Outer Limits". More than almost any other, it is filled with weird camera angles, atmospheric photography, gothic sets, creepy music (much of which surfaced later in the TV series "The Invaders"), and offbeat writing and performances, giving the episode something of an "art house movie" feel. This episode was the final acting role of Sir Cedric Hardwicke. He died on August 6, 1964, a few months after this episode aired. The Forms of Things