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Alexandrite

Tsarstone collectors guide

Alexandrire directory

Categorized directory of resources related to chrysoberyl gemstone varieties valuation, identification, history and lore. Also includes links to the alexandrite sellers, useful websites and gemological organizations.

Editor picks

Multicolour Gems
Specializing in African colored gemstones including alexandrite, Madagascar sapphire and tanzanite. Also includes general information about gemstones and gemological articles.
www.multicolour.com

Latest additions

OneMine
A collaborative effort among multiple societies to place the world's most comprehensive collection of mining and minerals based research in one place.
www.onemine.org
Mark Henry
An exclusive designer of natural alexandrite jewelry. Famous for decadent designs and superior quality fine jewelry pieces.
www.markhenryjewelry.com
Synthetic Gems
Offers large selection of synthetic padparadscha sapphire, lab alexandrite, created and synthetic lab emerald, cubic zirconia (CZ), white clear lab sapphires, lab-grown citrine quartz, and synthetic ruby.
www.syntheticgems.org
Colburn Earth Science Museum
Primary collection includes some 4,500 specimens and gemstone collection includes over 1,000 cut gemstones from North Carolina and around the world
www.colburnmuseum.org
The Weinman Mineral Gallery
Features gemstones, minerals and fossils. Includes virtual tour, special events, hours, prices and directions.
www.weinmanmuseum.org
Bibliographic details
Page title Alexandrire directory
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 12 August 2011 01:13 UTC
Date accessed 10 June 2026 23:17 UTC
Permanent link http://w.alexandrite.com/viewpage.html?id=ALX-020
AMA style
David Weinberg. "Alexandrire directory". In Alexandrite Tsarstone Collectors Guide. August 12, 2011, 01:13 UTC. Available at: http://w.alexandrite.com/viewpage.html?id=ALX-020. Accessed June 10, 2026.
APA style
"Alexandrire directory". (2011, August 12). In Alexandrite Tsarstone Collectors Guide. Retrieved 23:17, June 10, 2026, from http://w.alexandrite.com/viewpage.html?id=ALX-020.
Bluebook style
"Alexandrire directory", http://w.alexandrite.com/viewpage.html?id=ALX-020 (last visited June 10, 2026).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Alexandrire directory", http://w.alexandrite.com/viewpage.html?id=ALX-020 (Categorized directory of resources related to chrysoberyl gemstone varieties valuation, identification, history and lore. Also includes links to the alexandrite sellers, useful websites and gemological organizations.) (as of Jun. 10, 2026, 23:17 GMT).
CBE/CSE style
David Weinberg. "Alexandrire directory". In Alexandrite Tsarstone Collectors Guide. 2011 Aug 12, 01:13 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2011 Aug 12, 01:13 UTC [cited 2026 Jun 10]. Available from: http://w.alexandrite.com/viewpage.html?id=ALX-020.
Chicago style
David Weinberg, "Alexandrire directory", http://w.alexandrite.com/viewpage.html?id=ALX-020, (accessed June 10, 2026).
MLA style
"Alexandrire directory". Alexandrite Tsarstone Collectors Guide. 12 Aug 2011, 01:13 UTC. 10 Jun 2026 http://w.alexandrite.com/viewpage.html?id=ALX-020
MHRA style
David Weinberg, "Alexandrire directory", Alexandrite Tsarstone Collectors Guide, 12 August 2011, 01:13 UTC, http://w.alexandrite.com/viewpage.html?id=ALX-020 [accessed 10 June 2026].
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