3.green oily kind
Breeding emerald green oil refers to a dark, color is not pure green, or mixed with some gray blue bright enough so that it can be made shallow to deep color, it is because the surface of oil-like sheen gloss, so called Green seed oil. It also points affordable high degree of transparency. A great green oily kind of jade can be over usd $10k.
Here a pic : high-grade oil Green everyone to enjoy