Glass kind GRADE A Jadeite
Glass kind of jade texture, pure, delicate, no impurities, cracks, cotton stripes, body percussion sound crisp emerald, emerald interior texture is very delicate, the average particle size of the components of mineral particles may even regard to 0.01mm, difficult to observe not only the naked eye constituent mineral particles, even under a microscope is not easy to have a grainy gems, jade and transparent, like the whole glass without any impurities, as it is called glass types, but also the highest kind of jade.
Glimmering: When particles of very small crystals, the crystals from disordered arrangement is better than plastic crystal ordered from Ying effect is that light with a faint blue tint floating on the surface of the glass kind of jade swimming.
If the glass kind of jade colored, tinted emerald brilliant, gorgeous, color is not dark,
Yang pleasing color, uniform color harmony, the industry called "color glass seed" or "old crater full of green glass seed", this emerald texture and quality in the industry or even the entire jewelry collection industry is extremely rare. "Imperial green jade" in the history of mostly old crater on the glass species.
pics and infors from this link ..ty
https://www.facebook.com/99ABC
very nice pics 
