"Malay jade" and the distinction between _ a Jadeite jade Emerald

In the 1980s, jade market, there is a kind of green jade, made beautiful beaded or ring face, once fooled quite a few people, that it is "a precious high-end Emerald". This stone is what? this jade called Malaysia Jade (MA, also known as "Malay jade"), the title of this however. Malaysia jade is not produced in Malaysia. It is the number of India and Pakistan businessmen, in mainland China opening large numbers into the pocket of the Yunnan province a false Jade's title. MA is actually a dyed Green very fine-grained quartz rock, but compared with Emerald significant differences: 1. Visual inspections, Malaysia jade color too gorgeous and very unnatural. 2. Malaysia jade 2.65, far less than the proportion of Jadeite 3.24 ~ 3.43. 3. index of refraction of Malaysia jade 1.55, low refractive index than the Emerald. 4. Charles filter under red color will not change, but at ten times the check to the microscope can exist, namely color stains are floating, is dying.