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
Rock music and the fall of communism jazz and western forms of dance for one of the first times in the Soviet Union. Although there was some hope that this was an indication of relaxation of restrictions, by the end of the 1950s, Eastern Bloc countries began arresting stilyagi and rock fans. In 1958, partially in response to these events, NATO published a report speculating on the intentional use of rock music for subversive purposes. The Beatles sparked the love of rock in the Soviet youth and its popularity spread in the early 1960s. Their impact on fashion was one of the more obvious external signs of