||Don't leave when chalcedony agateThere are many http://www.kc4204.org/temp/config42.php fake ray bankinds of jade >, including traditional and Hetian jade, jade, agate, crystal, amber, chalcedony, and so on GEM. For chalcedony, many people mistakenly believe that the essence of jade. In fact, not just a chalcedony jade, jade. Today, many people will confuse chalcedony and agate. So, how to identify the chalcedony and agate? |
. What is it?
< p > chalcedony is a common natural jades, its composition is mainly of SiO2, in addition to chalcedony also contains trace chemical composition and mineral composition of the rich, such as e, Al, Ti