Description

Zircon sand

Pure zircon is colorless and transparent crystal, often due to different origins, including the type and quantity of impurities in different dyed yellow, orange, red, brown and other colors, is a tetragonal crystal structure, showing four cone cylindrical, the proportion of4.6 ~ 4.*1, the proportion and composition are sometimes changes and altered state of zircon cleavage is not complete, even Mohs hardness of 7 to 8, refractive index 1.***2.*1, melting point with different impurities in the ***0 ~ ***0