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Alexandrite

Tsarstone collectors guide

Gemmological Association of Great Britain

Services include reports for diamond grading, pearl and gem identification. Also provide re-polishing diagrams for diamonds and verbal assessments for diamond colour and clarity

Gemmological Association of Great Britain
Homepage Address Contact
www.gem-a.info/ 27 Greville Street
Saffron Hill
London EC1N 8TN
United Kingdom (Great Britain)
N: Jack Ogden
T: +44 (0) 20 7404 3334
F: +44 (0) 20 7404 8843
E: information@gem-a.com

Gem-A, which began as a Gemmological Committee of the National Association of Goldsmiths, first introduced a gemmology qualification in 1908 in order to encourage jewelers to understand the gems they were selling and to identify the fakes.

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Bibliographic details
Page title Gemmological Association of Great Britain
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 12 August 2011 01:17 UTC
Date accessed 19 December 2018 05:45 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=WDD-003-00022
AMA style
David Weinberg. "Gemmological Association of Great Britain". In Alexandrite Tsarstone Collectors Guide. August 12, 2011, 01:17 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=WDD-003-00022. Accessed December 19, 2018.
APA style
"Gemmological Association of Great Britain". (2011, August 12). In Alexandrite Tsarstone Collectors Guide. Retrieved 05:45, December 19, 2018, from http://www.alexandrite.net/viewpage.html?id=WDD-003-00022.
Bluebook style
"Gemmological Association of Great Britain", http://www.alexandrite.net/viewpage.html?id=WDD-003-00022 (last visited December 19, 2018).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Gemmological Association of Great Britain", http://www.alexandrite.net/viewpage.html?id=WDD-003-00022 () (as of Dec. 19, 2018, 05:45 GMT).
CBE/CSE style
David Weinberg. "Gemmological Association of Great Britain". In Alexandrite Tsarstone Collectors Guide. 2011 Aug 12, 01:17 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2011 Aug 12, 01:17 UTC [cited 2018 Dec 19]. Available from: http://www.alexandrite.net/viewpage.html?id=WDD-003-00022.
Chicago style
David Weinberg, "Gemmological Association of Great Britain", http://www.alexandrite.net/viewpage.html?id=WDD-003-00022, (accessed December 19, 2018).
MLA style
"Gemmological Association of Great Britain". Alexandrite Tsarstone Collectors Guide. 12 Aug 2011, 01:17 UTC. 19 Dec 2018 http://www.alexandrite.net/viewpage.html?id=WDD-003-00022
MHRA style
David Weinberg, "Gemmological Association of Great Britain", Alexandrite Tsarstone Collectors Guide, 12 August 2011, 01:17 UTC, http://www.alexandrite.net/viewpage.html?id=WDD-003-00022 [accessed 19 December 2018].
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