Alexandrite Directory
Categories
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Editor picks
Editor picks 1 - 7 of 7
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Australian Gemologist
http://www.australiangemmologist.com.au/
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GemResearch Swisslab
Determination of the authenticity and country of origin of a rubies and sapphires. Offers gemstone reports and inscriptions. http://www.gemresearch.ch/
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American Gem Trade Association
An association of United States and Canadian natural coloured gemstone and cultured pearl industry professionals dedicated to promoting the natural colored gemstone trade. http://www.agta.org/
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Smithsonian Museum of Natural History, The
The National Gem Collectionis the world’s foremost collection of gemstone and jewelry, featuring more than 7,500 individual gemstones and 300,000 specimens. Includes Kenyan cat’s eye alexandrite - a gift from Abe Suleman, Tuckerman Mines and Mineral Ltd.
http://www.mnh.si.edu/
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Minerals Yearbook
An annual publication that contains statistical data on materials and minerals and includes information on economic and technical trends and development. Includes chapters on approximately 90 commodities and over 175 countries. http://minerals.usgs.gov/minerals/pubs/myb.html
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Multicolour Gems Co., Ltd.
Specializing in African colored gemstones including alexandrite, Madagascar sapphire and tanzanite. Also includes general information about gemstones and gemological articles http://www.multicolour.com/
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Geohavens
Articles, publications, reports, and technical data on gem and jewelelry related topics. Also gemmological information on rare gemstones, community forum and picture galleries. http://www.geohavens.com/
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