1, the appearance is different: the olive fruit is oval with wrinkles on the surface, and it is dark green or black when mature. Olive nucleus is round or oval, with smooth surface and green or brown.

2. Different structures: Olives belong to plants and are fruits. On the other hand, olivine is a mineral and a dark tremolite. The internal structure of olive is pericarp, pulp and stone, while China olive is composed of various mineral components.