This bracelet is formed by different kinds of Hetian nephrite jade with various shapes and sizes, full of fun. Hetian mutton fat white nephrite, Hetian green nephrite, Hetian yellow nephrite, Hetian purple nephrite, Hetian cobblestone nephrite, Hetian sugar nephrite, Hetian dark chocolate nephrite,Hetian nephrite pebbles……various natural colours spreading out different energy, white for pure, green for calming, purple for poetic , yellow for inspiration……. yours to discover, all these natural colours are creating harmonious atmosphere, all of good vibes. I should say this bracelet is a good piece to learn about Hetian nephrite jade, from this bracelet, you get the chance to know different kinds of Hetian nephrite, from the appearance aspect and the touching feeling aspect. The touch feels of the mountain nephrite jade is different with the river nephrite jade.