Knowledge you need to know when buying sapphire
"Sapphire" symbolizes loyalty, firmness, love and honesty. Starlight sapphire is also known as the "stone of fate." Sapphire is one of the top five gemstones. It is ranked third after diamonds and rubies. It is the birthstone of September and autumn. Sapphire and ruby are known as "sister gems." Today, let's talk about the knowledge you need to know when buying sapphire.
1. The origin of sapphire:
Sapphire has been found in Thailand, Sri Lanka, Madagascar, Laos, Cambodia, Shandong Changle, Hainan, etc. The rarest sapphire is produced in the Shimir region. And Myanmar is the place where the finest sapphire is produced today. Among them, the sapphire of Sri Lanka and Kashmir is generally indigo color with bright and pure color and high transparency.
2. Sapphire hardness:
The more common replicas of sapphire are crystal, topaz, zircon and glass. However, it is impossible to imitate the hardness and density of sapphires. In addition to diamonds, sapphire is the hardest mineral. The hardness of a diamond is 10, the hardness of a sapphire is 9, and the hardness of a crystal is 7. Second, the official agency's certification is also a guarantee of sapphire quality.
3. Sapphire selection criteria:
Sapphire is selected according to the 4C standard. 4C is color, clarity, cut and weight. First of all, the more vivid and pure the color, the higher the saturation, the more collectible the sapphire is. by the clarity and cut of sapphire. If it is a faceted sapphire, look at the symmetry of the facet and the proportion of the overall gemstone cut.
4. Sapphire color selection:
Sapphire is not just a blue color. In fact, in addition to ruby, sapphire is the collective name of other colors corundum. So in addition to blue, there are pink, yellow, green and white sapphires. Among these colors, blue is the most popular. But pink and orange sapphires are also very rare with high value.