Pounamu evolve charm : This piece of genuine New Zealand Greenstone has come from Big Bay in South Westland, New Zealand. It has a special, high quality finish referred to as a 'Tumble' finish, a fitting reminder of how the Greenstone has tumbled from its origins in the Mountains and stoney rivers of New Zealand, to its final resting place.Over time Greenstone absorbs the body's natural oils, taking on changes unique to its wearer. Greenstone-The Maori word for Greenstone is Pounamu. Greenstone is highly valued by the Maori and plays an important role in their culture. It is considered a treasure. These pieces of South Westland riverwashed Greenstone have been specially blessed to bring the wearer good luck.