CHA CHA RAINBOWCHA CHA TAGUA EARRINGS. Our best selling mixed color cha chas are back in stock! Tagua is a nut from a palm tree, found only in South America. Most is found in Ecuador, in my Manabi region along the coast. It is commonly called vegetable ivory. It is so close in makeup and appearance, it is difficult to distinguish from animal ivory. Gathering the fallen tagua, has many benefits economically and naturally sustains the rainforest. It causes no harm,