To Identify Jade Coating(1)

Jade coating is also known as "dressing Jade" or "emerald color jade."

Jade coating’s transparency of the production is to choice good but colorless emerald ring, to plate on the surface layer of film (microglia).
Jade coating looks beautiful, like high-grade jade jewelry. With a larger and deceptive camouflage, when in the purchase of high-grade surface of jade ring, consumers must be sure to draw attention to have serious recognition.

To identify Jade coating, there are the following methods, but I will state two today ,and others tomorrow.

Observation: With a magnifying glass or microscope, we can see the green jade pieces is only attached to the skin rather than from within. Due to the hardness of the low membrane, we can see very small friction common injuries. The natural goods have no such phenomena.

Test: Its surface is a thin film of water from paint spraying, of which this layer of the refractive index and Fei can not be the same.