Aquamarine you should know

Aquamarine "Li Gui"

The gemstones similar to aquamarine on the market are mainly blue topaz (mainly colored topaz), blue zircon, crystal, glass and artificial spinel.

1. Compared with topaz, the aquamarine has a small specific gravity, the amount of hand rubbing is light, and the aquamarine often has a light yellow-green color, while the blue-yellow jade color is often purer and single.

2. Compared with zircon, zircon has a large specific gravity, strong dispersion, radiant appearance, and obvious double shadow.

3. Compared with glass and artificial spinel, aquamarine often has a slight dichroism, and a gas-liquid two-phase inclusion is often seen in aquamarine.

Aquamarine jewelry purchase points

1. The choice of aquamarine should not be large, but pay attention to the color depth, the price of deep sea blue is high.

2. The color is pure, there is no dichroism, and the aquamarine without gray tone is better.

3. Do not mix with the blue topaz that is radiation-colored.

Aquamarine maintenance

1. Aquamarine is brittle, afraid of low temperature, easy to burst at low temperatures, and will fade when exposed to fire.

2. When wearing, it should be prevented from colliding with other hard objects, and away from the fire source to avoid cracking or discoloration of the gemstone.

Aquamarine you should know

Brazilian aquamarine is clearer

The world's most famous aquamarine is produced in Brazil and Madagascar. Brazilian aquamarine is generally blue with green. The aquamarine in Madagascar is mostly dark blue.

Pure blue color, high processing price

1. The main factors determining the value of aquamarine are size and color. Internationally, more than a dozen carats of aquamarine are not uncommon. Among them, the world's largest aquamarine crystal found in Brazil weighs 243 pounds.

2. The gems that are generally deep blue sea blue are 30% to 50% higher than the light blue blue gems.

3. The cutting of the gemstone, the amount of turning, and the fineness of the polishing also have a slight influence on the price of the gem.