Aquamarine is one of the high-grade gemstones, which has great collection value. Aquamarine crystal is a timely crystal mineral, and its main chemical composition is silica, which is just a common secondary gem mineral. Aquamarine belongs to beryl minerals in mineralogy, and its English name is aquamarine. In which "Aqua" refers to water and "Marine" refers to the ocean.
The quality evaluation of aquamarine is evaluated from the aspects of color, clarity, cutting and weight. Pure color, no gray, no dichroism, strong and bright color has the highest value. Some aquamarine with directional inclusions can be processed into cat's eye effect or starlight effect, and aquamarine with special optical effect is more expensive. Aquamarine with the same color, clarity and cut, the greater the carat weight, the higher the value.
Precautions for purchasing aquamarine:
1. Natural aquamarine is light blue. The more transparent the crystal, the better the color. However, most natural aquamarine will have cotton cracks, which are dark and flawless, and the heaviest aquamarine is the best.
2. The color of aquamarine is based on aquamarine or sky blue. The brighter the color, the higher its value. Pure color, no gray, two-color aquamarine has a high collection value.
3. Blue in aquamarine is mostly not strong. If the volume is too small, the color will not be well displayed. You can choose gems with larger particles. After cutting, the blue reflection in the gem can be stronger.