The original agate stone has a natural color and is also post-processed and dyed. Natural colors are mainly red, amber and white. Among them, red is the best. The blue and purple agate jewellery sold on the market is not the original color. It is dyed after processing and will fade after a few years. The dyed agates are mostly natural variegated and are not easily processed into jewellery. What are the main points of agate rough identification? Can look at the following points.
Color
The true agate color is bright and bright, and the color and light of the fake agate are both poor. The contrast between the two is more obvious. The natural red agate is well-defined in color and the strips are very visible. Careful observation reveals densely arranged small red spots at the red strips. The fake agate smokers made of stone imitation are mostly petal-shaped at the bottom, forming a "chrysanthemum bottom"; while the dyed blue agate is bright and uniform, giving a false feeling.
texture
The fake agate is mostly imitation of stone, which is softer than the real agate. The jade can be traced on the fake agate, but the real thing can not be drawn. On the surface, there are few flaws in the real agate, and there are more inferior qualities.
Process quality
The production process of high quality high agate is strict and advanced, so the surface brightness is good, the setting is firm, the circumference is positive, no scratches or cracks.
level
The water agate is the most precious variety in agate, characterized by a closed cavity in the agate containing water. All grades of agate are best in red, blue, purple and pink, and require transparency, no impurities, no sand, no cracks. Among them, those with a weight of 4.5 kg or more are special, and those with a weight of 1.5 kg or more are one. Grade, 0.5-1.5 kg is secondary.
colour
The agate stone has a natural color and is also post-processed and dyed. Natural colors are mainly red, amber and white. Among them, red is the best. The blue and purple agate jewellery sold on the market is not the original color. It is dyed after processing and will fade after a few years. The dyed agates are mostly natural variegated and are not easily processed into jewellery.
Model Fabrics,Brown Stripes Fabric,Uniform Distribution Pattern Textile,Blue Stripes Fabric
Shaoxing City Jiaren Textile Co., ltd. , https://www.jiarentextile.com