Emerald Necklace / Jade Leaf Pendant / Amulet Necklace / Jade Jewelry / Jade Necklace / Leaf Jade Pendant Jade, jade and Burmese jade are a kind of jade. The color is emerald green (called Cui) or purple (called jade). Natural jadeite has only been carved and polished, has not undergone any chemical treatment, and has not been subjected to artificial heat treatment such as high heat and