Red, blue, purple and pink are the best agates in all grades. They should be transparent, free from impurities, sand cores and cracks. Among them, the block weight above 4.5 kg is super grade, the block weight above 1.5 kg is first grade, and the block weight above 0.5- 1.5 kg is second grade.

2. Maintenance method: First of all, be careful not to collide or fall off with hard objects. When not in use, keep it in a silky jewelry box. Try to avoid contact with perfume, chemical solution, soap or human sweat, so as not to be eroded and affect the brilliance of agate.

In addition, we should pay attention to avoid heat sources, such as sunlight and stoves. Because agate will expand when heated, the molecular gap will increase, which will affect the quality of jade, and continuous contact with high temperature will also cause agate to burst.

If you don't wear or play for a long time, put some oil on it and put it in a box, which will keep it moist and shiny. As the saying goes, "jade raises people, and people raise jade." If you wear agate itself often, it will make agate brighter and brighter, and you don't need to use oil.

3. The identification method of agate is as follows:

(1) color: the color of real agate is bright and bright, and the color of fake agate is poor, with obvious contrast. Natural red agate has distinct colors and obvious stripes. If you look closely, you can see tiny red dots densely arranged on the red belt. The fake agate hookah red agate imitated with stone has a petal-shaped pattern at the bottom, forming a "chrysanthemum bottom"; The dyed blue agate is bright and even, giving people a false feeling.

(2) Texture: Most fake agates are stone imitations, which are softer than real agates. Jade can mark fake agate, but real agate can't. There are few defects on the surface of real agate, and there are more inferior ones.

(3) Process quality: The production process of high-quality agate is strict and advanced, so the surface brightness is good, the inlay is firm and geometric, and there are no scratches and cracks.

(4) Grade: water bile agate is the most precious variety of agate, which is characterized by closed inner cavity and containing water.

Extended data:

Agate is a common silica mineral, which is basically timely, and many properties are the same as timely. Red agate is also a variety of chalcedony in mineralogy.

Agate is a low-grade gem, but it has been processed into handicrafts for a long time. It is said that it can balance positive and negative energy and eliminate mental tension and stress. Maintain physical and mental harmony, enhance love and loyalty, and at the same time have the function of inspiring courage and making people confident and brave. It is also suitable for people who are sick or just recovered.

References:

Red agate-Baidu Encyclopedia