Greenlandite also New Zealand greenstone called

Greenlandite was discovered in the 1960s during the investigation of the large iron deposit, Isukasia north of Nuuk Greenlandite was later discovered in a number of places in the Godhabsfjord area. Later it was established that the geological environment in which Greenlandite was formed is in the order of 3.8 billion years old. this means that we are talking about one of the oldest formations on earth. Geologically speaking, the rock consists of quartzite with a large content of the green minerals - Fuchsite - evenly distributed, giving the stone a fresh green color. Quartzite is made of fine-grained quartz, while the chrome Fuchsite seems to glitter, with fine sequins spread over the rock. Greenlandite is a hard mineral, often translucent with a metallic inner glow coming from the many sequins. this type of stone is also known, in the jewelry trade, such as aventurine quartz. Greenlandite has been used as a gem in Greenland for many years, rightly marketed as the world's oldest gem. "Green aventurine quartz has long been known as an Indian or Brazilian gemstone, and more recently stones from southern Africa have appeared that Difficult to distinguish from Greenlandite Experts take into account that the color of greenland is more bluish green than that of the foreign variants of aventurine quartz Any confusion with jade (nephrite) (hardness H = 6) can be solved with a hardness test.