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ADAMAS GEMOLOGICAL LABORATORY & ADAMAS ADVANTAGE GEMOLOGICAL ANDAPPRAISAL SOFTWARE
ADAMAS GEMOLOGICAL LABORATORY publishes gemologically oriented software for the jewelry appraiser, jeweler, or student in gemology or mineralogy. The laboratory also provides technical consulting and ... |
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GemResearch Swisslab (GRS) Specializing in Origin Determination of Fine Rubies and Sapphires
GemResearch Swisslab (GRS) has invented its own high technology portable gemmological laboratory, computerised and with state-of-the-art spectrometers. GRS Heat Treatment thermal treatment gemmologica... |
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Global Gemological Laboratory: Diamond, Jewelry, Bluestone, Ideal, Certificate,Carat, Cut Grade, Gem Appraisal.
Recognized as one of the world's premier scientific grading laboratories. |
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SSEF Swiss Gemmological Institute
The SSEF Swiss Gemmological Institute is an independent, international, non-profit organisation dedicated to the identification of gemstones, gemstone treatments, origin determination, gemmological re... |
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Welcome to Gem-A's website
Offers gem grading and identification services and gemmological courses for the trade and members. |
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These web site links are listed as a convenience to our visitors. If you use these links, we take no responsibility and give no guarantees, warranties or representations, implied or otherwise, for the content or accuracy of these third-party sites. |
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