How to distinguish beeswax Coba?

Copa Gum is a term, which is generally used to refer to the resin in tropical forest wood, and also refers to the aromatic resin used for ritual incense burning and other purposes in pre-Columbian Central American culture. The term "Coba gum" also refers to the sub-fossil resin in the intermediate stage of polymerization, and its hardness is between ordinary resin and amber. Copal grease's name may come from "nahuatal? Copali means "resin". The fossil Copa grease from London blue clay is called yellow resin or Haegert resin.

Beeswax, a variety of amber, called beeswax or translucent amber, is an amorphous body with no fixed internal atomic structure and external shape. The fracture surface is usually shell-shaped, and the refractive index ranges from 1.54 ~ 1.55. Refraction is not applicable. According to the physical test, the specific gravity of beeswax is between 1.05- 1. 10, which is only slightly larger than water. It is a precious ornament.

Coba is resin and beeswax is amber.