Core tip: the market a lot of shops selling jade, jade nephrite and jadeite two kinds big, from the chemical composition, nephrite is calcium, magnesium and iron silicate;
Jadeite is sodium and aluminum silicate on the market a lot of shops selling jade, jade nephrite and jadeite two kinds big, from the chemical composition, nephrite is calcium, magnesium and iron silicate;
Jadeite is sodium and aluminum silicate.
Other and serpentine jade, anorthosite qualitative nanyang jade, agate, crystal and so on.
For nephrite and jadeite, experts concluded that identify true and false, judgment, superiority and inferiority of some experience.
Are presented as follows: water identification method will be a drop of water droplets on the jade, such as a long does not disperse to true jade dew;
On the other hand, the water droplets quickly disappear is false and inferior goods.
Because jade dense texture, not bibulous, stone structure is loose, easily absorbing water.
Hand touching if it is real jade hand touch or use the cheek a try, has the feeling of cold embellish.
Inspection method will jade toward the light place, such as sunshine, lamplight, if uniform distribution is real jade color, green.
Tongue lick the tip of the tongue lick the real jade astringent feeling;
And the feeling of false jade, no acerbity.
A magnifying glass to watch will buy jade article under the magnifying glass to watch first, mainly is the presence of cracks, no cracks for high quality jade, rift is for times.
Even if it is real jade, of its value also have crack, crack more obvious, also the lower the value.