Gemstone Treatments and Enhancements
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Link | Description | |
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An Introduction to Gem Treatments | As a consumer, you will regularly encounter in the marketplace gems that have been treated to change their appearance. A topic that often comes up is whether a particular gemstone is or isn’t treated. | |
The Early History of Gemstone Treatments | This article examines the origins of gemstone treatment. | |
Gemstone Enhancement and its Detection in the 1980s | The impact that enhancements had on the gem market in the 1980s may be unparalleled in the history of the industry. | |
Gemstone Enhancements and Detection in the 1990s | Gemstone enhancements and their disclosure became the most important gemmological issue for the jewellery trade in the 1990s. | |
Gemstone Enhancement and its Detection in the 2000s | Advances in technology and increased demand for lower-priced gem materials contributed to the proliferation of new treatments throughout the first decade of the 2000s. | |
Gemstone Irradiation and Radioactivity | With the increasing use of radiation to colour enhance gemstones, the issue of radioactivity has become a source of concern for gemmologists worldwide. | |
Chart of Commercially Available Gem Treatments | This chart combines a comprehensive listing of the commercially available treatments for the most commonly used gem materials with an indication of the current status of their detectability. | |
Amber with Insect-Bearing Filling | Natural amber beads were found to have been filled with plastic and a variety of insects. | |
An Introduction to Simulants or Imitation Gem Materials | This article provides an overview of synthetic gem materials. |