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Tsarstone collectors guide


List of organizations involved in the regulating of gemstone and jewelry trade, mining and dedicated to scientific study of gem materials.

Resource listing

The International Colored Gemstone Association
An independent non-profit association that was founded in 1983 to represent the international gemstone industry
American Gem Trade Association
A group of US and Canadian professionals dedicated to promoting the natural colored gemstone and cultured pearl trade
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Professional appraiser associations and private appraisers recommended for valuation of natural loose alexandrite gemstones and alexandrite
Gemstone dealers
References on online gemstone wholesalers and retailers offering natural loose alexandrite, cat's eye and yellow chrysoberyl gemstones for s
References and resources on jewelry retailers, designers and manufacturers selling alexandrite jewelry or accepting custom alexandrite jewel
List of well-known gemological laboratories equipped to test chrysoberyl gemstone varieties, including identification of natural alexandrite
Reference collection of gemological tools and synthetic gemstone manufactures, including manufactures of synthetic alexandrite and cat's eye
List of museums featuring gemstone and mineral collections or exhibitions and recommended for further study of alexandrite and related gemol
Reference collection including books, dictionaries, encyclopedias, magazines and periodicals recommended for further research of alexandrite
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