2010年4月27日星期二

Identification and wearing emerald

Emerald identification methods and physical properties of identification
Emerald is a symbol of noble, not necessarily emerald, but hold on the high quality emerald yearning, this desire will make you more elegant demeanor.
How to wear emerald, such as jewelry supplier made with 18K gold with yellow and green bands recently, in itself, become depressed, poor, uncertain. So with the dress with, as far as possible to avoid the blue, green, yellow dress. Such as platinum or platinum and 18K gold with, can significantly grace, noble, elegant atmosphere, and in the clothing room for a larger selection. To wear black clothing appeared stable and elegant, dazzling; with white, beige dress with, seem noble and pure and beautiful.
Emerald (mineral name Beryl), mainly in Colombia, Brazil and India. Incomparable charm of its beautiful emerald among the top five precious stones (diamond, ruby and sapphire, emerald, emerald, cat's eye) is out.
Emerald, English (EMERALD) called bright green gems, from ancient Persian legend. Social traffic is not convenient at that time, mining technology simple, low production, so the emerald just to be high-brow show the status of luxury. Related processing technology, but at first difficult to be the best texture, beautiful colors revealed. After a long exploration, has finally found four sides must be cut into a ladder, while the four corners also rubbed off one-tenth of that for the 1:1.5-1:1.75 aspect ratio (close to the value of golden ratio), so the shape of and the cut is called "emerald cut", after all consistent with such a shape is also referred to as the "emerald cut" or "emerald-shaped china gemstone wholesaler ", this cut will be emerald green perfectly reflected.
Evaluation of the emerald is usually: color, transparency, cut, weight.
Color distribution to be uniform, without impurities, with pure, the dark green is good (not bluish, non-yellowish). Transparency, internal impurities, cracks, small defects, the surface without scratches, defective better. Cut must be consistent with the ratio of surface to be structured a variety of processing, better symmetry. Weight to total carats, 1 carat equals 0.2 grams. High-quality diamonds, emeralds and the value of the same weight the same.
Emerald precious and so imitate constantly, some with precious stones like emerald to a substitute. Natural emerald hardness 7.5-8 level, non-homogeneous body, the inside has irregular cotton lock, with three inclusions or comma-shaped inclusions. Color calm, nuanced, restrained, surface gloss bright and clear. Following the other with the emerald green gems to make a simple comparison
Green Tourmaline: hardness 7, the color yellowish gray and dark, no internal three-phase inclusion.
Emerald: hardness 6.5, oil to glass luster, translucent to opaque, woven fiber structure, color and stones of the main mix as a whole, there is no three-phase inclusions.
Green glass: Hardness 5, color frivolous, the lack of emerald color characteristics, with air bubbles inside.
Emeralds and other precious gemstone supplier, as some have defective for its natural beauty by enhancing quality, increasing its value, so for some color and light, light, emerald crack with more vegetable oil, cedar oil immersion note, it Perfect. In addition, there are clear plastic with resin filling defects in the Emerald, but under the magnifying glass, can be found filling thick Department residual bubble, shiny gray. There are emerald color deepened in order to use chemical paint dip, but high-powered magnifying glass, is also being disseminated to see the emerald green along the fissures within the spider web-like distribution.
More than just the basic method of identifying the authenticity of emerald, to really grasp the can well identify the authenticity of the natural need more practice, more to see in-kind.

1 条评论:

  1. Green glass: Hardness 5, color frivolous, the lack of emerald color characteristics, with air bubbles inside.

    回复删除