Pearls and other
organic gems testing
Organic gemstones are special gems that formed with the help of living organisms. Besides pearls, there are other stunning organic gemstones like amber, precious coral, ammolite and shells. These unique gems highlight the beauty and interesting natural processes that happen in living organisms.
Pearls are often referred to as “The Queen of Gems” throughout history. Pearls can be grown in saltwater or in freshwater. Cultured pearls are organic gems which are formed in mantle tissue of mollusks with human intervention and natural pearls are formed without human intervention.
Cultured pearls have become popular due to their availability and affordability.
The main activities conduct in our lab to identify pearls are as below:
- Identify saltwater pearls, freshwater pearls from pearl imitations
- Identify saltewater pearls into Akoya pearls, South-sea pearls or Tahitian pearls
- Detect treatments, confirm the color is natural or treated by dye or irradiation
Amber is fossilized tree resin that has been appreciated for its color and natural beauty. The common color of amber includes yellow to brown, reddish brown, and some light brown. It is mostly transparent and usually captivated insects or leaves. Gem class amber formed between 15 and 40 million years ago.
The testing involved are:
- Identify and categorize the specimen is a natural amber, or copal, or treated / restructured amber and man-made amber intimation
Corals with its vibrant colors and unique textures, is a fascinating gemstone that has captivated humans for centuries. Coral testing is conducted as below
- To determine its authenticity, quality, and origin through various tests and examinations
- To assess factors such as color stability, presence of treatments or enhancements, and the specific type of coral
- To ensure that buyers and collectors can make informed decisions and have confidence in the coral gemstones they acquire
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