Emerald is a jewelry favored by royal families in the past and many big-name celebrities now. The unique classic green color of emerald is unmatched by other gemstones. No matter what time, its bright green color always exudes gentleness and richness. The light is like an angel, full of vitality. So how much do you know about emeralds?
What are the characteristics of emerald?
In addition to its unique color, emerald also has a more typical feature, which is its rich inclusions. Natural emeralds will have cracks and are very brittle. In order to improve the clarity of the emerald and reduce the risk of cutting and grinding, the raw emeralds are often immersed in colorless cedar oil after mining. , until cutting is made.
Where is the best emerald produced?
The main origins of emeralds come from South America and Africa. Some relatively high-quality emeralds are mostly produced in Colombia, South America. Africa's Zambia is also one of the more popular emerald origins in recent years, and pure large-grain rough stones are also relatively common.
How to identify the authenticity and quality of emerald?
Identification of authenticity: To identify the authenticity of an emerald, you must first look at its refractive index . The refractive index is within the normal range of 1.57-1.59. For counterfeit products, the refractive index is generally lower than 1.57, and some are higher than 1.59. , the authenticity can be seen through the detection of refractive index. Secondly, look at the color change. Natural emerald appears dark red under ultraviolet light, while counterfeit products will emit strong red fluorescence. Finally, look at inclusions . Natural emeralds will all have inclusions such as flaws and impurities, including needle-shaped, columnar, granular and other crystalline substances, but synthetic emeralds generally do not have these.
Distinguish between good and bad: To distinguish an emerald, first look at the color. Green and bluish ones are of higher quality, while green and gray ones are of lower quality. Secondly, look at the transparency of the gemstone. Those that are clear, bright and crystal clear are of higher quality, while those that are translucent are of average quality. Looking at the purity of the gemstone, pure emeralds are relatively rare, so the low-priced ones generally don’t have very good clarity. Looking at the craftsmanship and cutting, a good cut is called emerald type, which can completely reflect the luster of the gemstone. Finally, look at the weight. Those weighing more than two carats are relatively rare and precious, and those weighing more than five carats are very rare.
Content source: Deer Jewelry Network authorized to publish
