Nephrite is the ancestor of all minerals, the basic stone of old Nephrite Chinese medicine. Nephrite is a mineral of either light gray or yellow, light green, dark green, blue and black in color. Since old days it was considered a stone of Gods. The translucent Nephrite of white color is highly valued: it has it's own name - Jade. The Chinese sages attributed a number of virtues to the Nephrite. As it is said in the "Book of Verses": shining, but soft surface of Nephrite personifies human virtue; corners of a stone that cannot be dulled, are the symbol of justice; a pure, fine sound which utter Nephrite's plates at impact is an echo of divine music and an expression of happiness. Astrologist's regard Nephrite as a stone of Pluto. Nephrite deposits have been found in China, New Zealand, Russia, Guatemala and the Swiss Alps. Dark green jade, called Canada jade.