Pounamu Pounamu Pounamu refers to several types of hard, durable and highly valued nephrite jade, bowenite, or serpentinite stone found in southern New Zealand. Pounamu is the Māori name. These rocks are also generically known as "greenstone" in New Zealand English. There are two systems for classifying pounamu. Geologically, the rock falls into the three categories named above, but Māori classify pounamu by appearance. The main classifications are "kawakawa", "kahurangi", "īnanga", and "tangiwai". The first three are nephrite jade, while "tangiwai" is a form of bowenite. In modern usage "pounamu" almost always refers to nephrite jade. Pounamu is generally found in
History of the Philippines were made from nephrite. Nephrite excavated in the Philippines were of two types: white nephrite and green nephrite. The Sa Huỳnh culture centred on present-day Vietnam, showed evidence of an extensive trade network. Sa Huỳnh beads were made from glass, carnelian, agate, olivine, zircon, gold and garnet; most of these materials were not local to the region, and were most likely imported. Han dynasty-style bronze mirrors were also found in Sa Sa Huỳnh sites. Conversely, Sa Sa Huỳnh produced ear ornaments have been found in archaeological sites in Central Thailand, Taiwan (Orchid Island), and in the Philippines, in the Palawan,