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Understanding Treated Jadeite: Types, Certification, and Authenticity in the Gemstone Market

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Jade Certification: Type A, B, C Jade

In today's gemstone market, heat treatment or color enhancement is a common practice to produce visually stunning gems at affordable prices. Almost any type of gemstone you encounter can be treated or enhanced in various ways. Common examples include diamond, ruby, sapphire, pearl, tanzanite, topaz, coral, quartz, amber, amethyst, citrine, aquamarine, tourmaline, and more.

A common malpractice is the lack of disclosure about these treatments, which leads consumers to believe that they are purchasing naturally superior gems at a premium price. To learn more about this widespread practice in gemstones, refer to Business of Fashion's article titled Jewellery’s Naughty Little Secret: Treated Gemstones.

Contrary to some gems where treatment is widely accepted and practiced such as diamonds, the use of heat treatments or color enhancements on jade is uncommon and considered unnatural by industry standards. This results in treated jadeite items that appear with vibrant green colors, frequently found at flea markets, tourist souvenir shops, and even Western department stores. However, to professional jade merchants, these items are merely novelties offering negligible value beyond their aesthetic appeal.

It's crucial to note that treatment is exclusive to jadeite specifically Burmese jadeite due to the significant difference in value compared to nephrites. Most nephrite types are not treated because they are abundant and little can be gned by enhancing them. The before-and-after depiction of raw material bleaching shows an obvious weight loss since treated jade contns polymer resin, which is lighter than its original form.

To an average person, distinguishing between natural and treated jadeite is nearly impossible. Experienced jade cutters, however, can differentiate these with subtle changes in weight due to the added polymer resin during treatment. Nonetheless, this tactile examination isn't always accurate, particularly for valuable jadeite pieces. Therefore, it's safer to opt for certification by local gemstone laboratories.

The certification of jadeite is categorized into three types:

  1. Type A Jadeite - Natural Form: This represents the accepted form where the item qualifies as free from chemical treatments other than polishing with colorless wax that doesn't damage the crystalline structure.

  2. Type B Jadeite - Chemically Treated and Resin Infused: Involves soaking in acid to remove impurities or oxidation stns, which lightens many materials including jadeite. Afterward, polymer resins are infused under vacuum, followed by polishing for smooth appearance. Unfortunately, this form can degrade over time due to discoloration and oxidation caused by heat and sunlight exposure.

  3. Type C Jadeite - Dyed Coloring: Type B treated jade with added dyed coloring that enhances or produces additional color effects.

One highly reputable laboratory in Hong Kong is the Hong Kong Jade Stone Laboratory, which is sought after for jade certification. Auctions at Sotheby's and Christie's in Hong Kong often involve pieces certified by this establishment.

Jadeite Atelier guarantees every piece of its jewelry to be natural Type A, sourced directly from official channels in Myanmar Burma, ensuring 100 naturalness chemical treatments or enhancements. Each piece is hand-cut in Hong Kong before being used in our creations.

Explore the five natural color shades of Jadeite Atelier's Type A collection: Empowering Green, Dnty Laver, Mystic Black, Fresh Green, and Ice White.

The trusted certification sources for jade at Jadeite Atelier include:

  1. Hong Kong Jade Stone Laboratory

  2. Hong Kong Gems Laboratory

  3. Hong Kong Kowloon Jade Jewellery Laboratory

  4. Asian Gemmological Institute and Laboratory Limited

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